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Finding the Fourth Proportional to 5,033.60, 7,550.40 and 3,721.40

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Solution

The fourth proportional to 5,033.60, 7,550.40 and 3,721.40 is: 5,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,033.60 : 7,550.40 = 3,721.40 : x
  2. Step 2: Convert to fraction form
    5,033.60/7,550.40 = 3,721.40/x
  3. Step 3: Cross multiply
    5,033.60x = 7,550.40 × 3,721.40
  4. Step 4: Simplify right side
    5,033.60x = 28,098,058.56
  5. Step 5: Solve for x
    x = 28,098,058.56/5,033.60
  6. Step 6: Final answer
    x = 5,582.10

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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.