Home / 1,716.76-2,369.75-1,127.48

Finding the Fourth Proportional to 1,716.76, 2,369.75 and 1,127.48

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Solution

The fourth proportional to 1,716.76, 2,369.75 and 1,127.48 is: 1,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.76 : 2,369.75 = 1,127.48 : x
  2. Step 2: Convert to fraction form
    1,716.76/2,369.75 = 1,127.48/x
  3. Step 3: Cross multiply
    1,716.76x = 2,369.75 × 1,127.48
  4. Step 4: Simplify right side
    1,716.76x = 2,671,845.73
  5. Step 5: Solve for x
    x = 2,671,845.73/1,716.76
  6. Step 6: Final answer
    x = 1,556.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.