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Finding the Fourth Proportional to 5,737.85, 8,637.02 and 4,892.21

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Solution

The fourth proportional to 5,737.85, 8,637.02 and 4,892.21 is: 7,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.85 : 8,637.02 = 4,892.21 : x
  2. Step 2: Convert to fraction form
    5,737.85/8,637.02 = 4,892.21/x
  3. Step 3: Cross multiply
    5,737.85x = 8,637.02 × 4,892.21
  4. Step 4: Simplify right side
    5,737.85x = 42,254,047.97
  5. Step 5: Solve for x
    x = 42,254,047.97/5,737.85
  6. Step 6: Final answer
    x = 7,364.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.