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Finding the Fourth Proportional to 5,158.09, 7,737.11 and 1,262.49

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Solution

The fourth proportional to 5,158.09, 7,737.11 and 1,262.49 is: 1,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.09 : 7,737.11 = 1,262.49 : x
  2. Step 2: Convert to fraction form
    5,158.09/7,737.11 = 1,262.49/x
  3. Step 3: Cross multiply
    5,158.09x = 7,737.11 × 1,262.49
  4. Step 4: Simplify right side
    5,158.09x = 9,768,024.00
  5. Step 5: Solve for x
    x = 9,768,024.00/5,158.09
  6. Step 6: Final answer
    x = 1,893.73

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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.