Home / 4,192.22-5,781.50-3,132.56

Finding the Fourth Proportional to 4,192.22, 5,781.50 and 3,132.56

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Solution

The fourth proportional to 4,192.22, 5,781.50 and 3,132.56 is: 4,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.22 : 5,781.50 = 3,132.56 : x
  2. Step 2: Convert to fraction form
    4,192.22/5,781.50 = 3,132.56/x
  3. Step 3: Cross multiply
    4,192.22x = 5,781.50 × 3,132.56
  4. Step 4: Simplify right side
    4,192.22x = 18,110,895.64
  5. Step 5: Solve for x
    x = 18,110,895.64/4,192.22
  6. Step 6: Final answer
    x = 4,320.12

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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.