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Finding the Fourth Proportional to 3,952.17, 5,936.45 and 3,136.19

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Solution

The fourth proportional to 3,952.17, 5,936.45 and 3,136.19 is: 4,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.17 : 5,936.45 = 3,136.19 : x
  2. Step 2: Convert to fraction form
    3,952.17/5,936.45 = 3,136.19/x
  3. Step 3: Cross multiply
    3,952.17x = 5,936.45 × 3,136.19
  4. Step 4: Simplify right side
    3,952.17x = 18,617,789.76
  5. Step 5: Solve for x
    x = 18,617,789.76/3,952.17
  6. Step 6: Final answer
    x = 4,710.78

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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.