Question

Aflati x din proportia: 4 1/2 supra 3 = 0,5 supra x

Answer 1

[tex]\it \dfrac{4\dfrac{1}{2}}{3} = \dfrac{0,5}{x} \Rightarrow \dfrac{ 4,5}{3} = \dfrac{0,5}{x} \Rightarrow \dfrac{ \ \ 4,5^{(10}}{0,5} = \dfrac{3}{x} \Rightarrow \dfrac{ \ \ 45}{5} = \dfrac{3}{x} \Rightarrow \\ \\ \\ \Rightarrow x = \dfrac{5\cdot3}{45} = \dfrac{\ 15^{(15}}{45} = \dfrac{1}{3}[/tex]