Question

4 Sgmentos MN,PQ,RS e VT  nessa ordem são proporcionais, pois MN=15cm,PQ=5cm RS=4cm. Qual a medida de VT?

Answer 1

$\frac{MN}{PQ}=\frac{RS}{VT}\\ \\ \frac{15}{5}=\frac{4}{VT}\\ \\ VT=\frac{5*4}{15}=\frac{20}{15}=\frac{4}{3}$