It's well-known that the ratios of ingredients matter a lot in baking -- tiny changes in ingredient ratios can create big changes in the quality of results.
However, there are other situations where ingredient ratios don't matter as much (for instance, it doesn't matter much whether you use x grams or x+1 grams of tomatoes in a salad).
Question: In pasta-making, how sensitive is the quality of pasta to changes in ingredient ratios, and how does this sensitivity compare with that of baking?