\[\boxed{\text{5.444.}}\]
\[\textbf{а)}\ \frac{1}{5} = \frac{5}{25} > \frac{3}{25}\text{\ \ }\]
\[\textbf{б)}\ \frac{3}{4} = \frac{9}{12} < \frac{11}{12}\ \]
\[\textbf{в)}\ \frac{3}{4} = \frac{15}{20} > \frac{13}{20}\ \]
\[\textbf{г)}\ \frac{4}{9} = \frac{16}{36}\]
\[\textbf{д)}\ \frac{3}{8} = \frac{9}{24} < \frac{7}{12} = \frac{14}{24}\]
\[\textbf{е)}\ \frac{7}{12} > \frac{7}{16}\text{.\ }\]