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Finding the Fourth Proportional to 5,607.17, 7,737.63 and 3,089.15

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Solution

The fourth proportional to 5,607.17, 7,737.63 and 3,089.15 is: 4,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.17 : 7,737.63 = 3,089.15 : x
  2. Step 2: Convert to fraction form
    5,607.17/7,737.63 = 3,089.15/x
  3. Step 3: Cross multiply
    5,607.17x = 7,737.63 × 3,089.15
  4. Step 4: Simplify right side
    5,607.17x = 23,902,703.61
  5. Step 5: Solve for x
    x = 23,902,703.61/5,607.17
  6. Step 6: Final answer
    x = 4,262.89

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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.