Найдите неизвестный член пропорции ×: 4 3/8=1,5:1 5/16

[latex] \frac{x}{4 \frac{3}{8} } = \frac{1,5}{1 \frac{5}{16} } [/latex] х · [latex] \frac{21}{16} [/latex]=[latex]\frac{35}{8} * \frac{15}{10} [/latex] х · [latex] \frac{21}{16} [/latex]=[latex] \frac{105}{16} [/latex] х=[latex] \frac{105}{16} [/latex]÷[latex] \frac{21}{16} [/latex] х=5