Answer
$x\approx2.47$
Work Step by Step
We can set the cross products of the given proportion equal to each other and then solve for the unknown variable.
$.82\times5.7=1.89\times x$
$4.674=1.89x$
Divide both sides by 1.89.
$\frac{4.674}{1.89}=\frac{1.89x}{1.89}$
$x\approx2.47$
