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Finding the Fourth Proportional to 3,593.90, 4,957.90 and 2,101.88

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Solution

The fourth proportional to 3,593.90, 4,957.90 and 2,101.88 is: 2,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.90 : 4,957.90 = 2,101.88 : x
  2. Step 2: Convert to fraction form
    3,593.90/4,957.90 = 2,101.88/x
  3. Step 3: Cross multiply
    3,593.90x = 4,957.90 × 2,101.88
  4. Step 4: Simplify right side
    3,593.90x = 10,420,910.85
  5. Step 5: Solve for x
    x = 10,420,910.85/3,593.90
  6. Step 6: Final answer
    x = 2,899.61

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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.