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Finding the Fourth Proportional to 5,411.57, 7,468.13 and 3,053.75

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Solution

The fourth proportional to 5,411.57, 7,468.13 and 3,053.75 is: 4,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.57 : 7,468.13 = 3,053.75 : x
  2. Step 2: Convert to fraction form
    5,411.57/7,468.13 = 3,053.75/x
  3. Step 3: Cross multiply
    5,411.57x = 7,468.13 × 3,053.75
  4. Step 4: Simplify right side
    5,411.57x = 22,805,772.28
  5. Step 5: Solve for x
    x = 22,805,772.28/5,411.57
  6. Step 6: Final answer
    x = 4,214.27

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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.