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Finding the Fourth Proportional to 3,593.49, 5,388.90 and 1,252.90

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Solution

The fourth proportional to 3,593.49, 5,388.90 and 1,252.90 is: 1,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.49 : 5,388.90 = 1,252.90 : x
  2. Step 2: Convert to fraction form
    3,593.49/5,388.90 = 1,252.90/x
  3. Step 3: Cross multiply
    3,593.49x = 5,388.90 × 1,252.90
  4. Step 4: Simplify right side
    3,593.49x = 6,751,734.64
  5. Step 5: Solve for x
    x = 6,751,734.64/3,593.49
  6. Step 6: Final answer
    x = 1,878.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.