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Finding the Fourth Proportional to 5,158.44, 7,737.68 and 1,262.84

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Solution

The fourth proportional to 5,158.44, 7,737.68 and 1,262.84 is: 1,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.44 : 7,737.68 = 1,262.84 : x
  2. Step 2: Convert to fraction form
    5,158.44/7,737.68 = 1,262.84/x
  3. Step 3: Cross multiply
    5,158.44x = 7,737.68 × 1,262.84
  4. Step 4: Simplify right side
    5,158.44x = 9,771,416.28
  5. Step 5: Solve for x
    x = 9,771,416.28/5,158.44
  6. Step 6: Final answer
    x = 1,894.26

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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.