Home / 3,781.88-5,223.66-2,732.28

Finding the Fourth Proportional to 3,781.88, 5,223.66 and 2,732.28

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Solution

The fourth proportional to 3,781.88, 5,223.66 and 2,732.28 is: 3,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.88 : 5,223.66 = 2,732.28 : x
  2. Step 2: Convert to fraction form
    3,781.88/5,223.66 = 2,732.28/x
  3. Step 3: Cross multiply
    3,781.88x = 5,223.66 × 2,732.28
  4. Step 4: Simplify right side
    3,781.88x = 14,272,501.74
  5. Step 5: Solve for x
    x = 14,272,501.74/3,781.88
  6. Step 6: Final answer
    x = 3,773.92

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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.