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Finding the Fourth Proportional to 5,351.27, 7,429.22 and 5,190.89

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Solution

The fourth proportional to 5,351.27, 7,429.22 and 5,190.89 is: 7,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.27 : 7,429.22 = 5,190.89 : x
  2. Step 2: Convert to fraction form
    5,351.27/7,429.22 = 5,190.89/x
  3. Step 3: Cross multiply
    5,351.27x = 7,429.22 × 5,190.89
  4. Step 4: Simplify right side
    5,351.27x = 38,564,220.17
  5. Step 5: Solve for x
    x = 38,564,220.17/5,351.27
  6. Step 6: Final answer
    x = 7,206.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.