Home / 1,593.28-2,197.60-1,121.12

Finding the Fourth Proportional to 1,593.28, 2,197.60 and 1,121.12

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Solution

The fourth proportional to 1,593.28, 2,197.60 and 1,121.12 is: 1,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.28 : 2,197.60 = 1,121.12 : x
  2. Step 2: Convert to fraction form
    1,593.28/2,197.60 = 1,121.12/x
  3. Step 3: Cross multiply
    1,593.28x = 2,197.60 × 1,121.12
  4. Step 4: Simplify right side
    1,593.28x = 2,463,773.31
  5. Step 5: Solve for x
    x = 2,463,773.31/1,593.28
  6. Step 6: Final answer
    x = 1,546.35

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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.