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Finding the Fourth Proportional to 3,593.80, 5,391.42 and 1,646.56

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Solution

The fourth proportional to 3,593.80, 5,391.42 and 1,646.56 is: 2,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.80 : 5,391.42 = 1,646.56 : x
  2. Step 2: Convert to fraction form
    3,593.80/5,391.42 = 1,646.56/x
  3. Step 3: Cross multiply
    3,593.80x = 5,391.42 × 1,646.56
  4. Step 4: Simplify right side
    3,593.80x = 8,877,296.52
  5. Step 5: Solve for x
    x = 8,877,296.52/3,593.80
  6. Step 6: Final answer
    x = 2,470.17

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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.