3.2:5=x:3.5пропорция

To solve the proportion, we can use cross-multiplication.

3.2/5 = x/3.5

Cross-multiplying, we get:

3.2 * 3.5 = 5 * x

11.2 = 5x

Dividing both sides by 5:

11.2/5 = x

x = 2.24

Therefore, the value of x in the proportion is 2.24.