Using the means-extremes property of proportions, you know that the product of the extremes equals the product of the means. The ratio t/4 = 5/2 can be rewritten as t:4 = 5:2, in which the extremes are t and 2, and the means are 4 and 5.

The oyster shops form a set of luncheon bars by themselves; but there is a considerable variety on some of the counters. Pickled salmon and soused mackerel appear to be the favourite delicacies […]

After two glasses of whiskey, Tom soon dropped off in front of the television.

unspiking the vent of a cannon