What three consecutive integers have a sum of 4170?

Here we will use algebra to find three consecutive integers whose sum is 4170. We start by assigning X to the first integer. Since they are consecutive, it means that the 2nd number will be X + 1 and the 3rd number will be X + 2 and they should all add up to 4170. Therefore, you can write the equation as follows:

(X) + (X + 1) + (X + 2) = 4170

To solve for X, you first add the integers together and the X variables together. Then you subtract three from each side, followed by dividing by 3 on each side. Here is the work to show our math:

X + X + 1 + X + 2 = 4170
3X + 3 = 4170

3X + 3 - 3 = 4170 - 3
3X = 4167

3X/3 = 4167/3
X = 1389

Which means that the first number is 1389, the second number is 1389 + 1 and the third number is 1389 + 2. Therefore, three consecutive integers that add up to 4170 are 1389, 1390, and 1391.

1389 + 1390 + 1391 = 4170

We know our answer is correct because 1389 + 1390 + 1391 equals 4170 as displayed above.

Three Consecutive Integers
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What three consecutive integers have a sum of 4171?
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