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Finding the Fourth Proportional to 5,395.14, 7,490.07 and 5,234.76

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Solution

The fourth proportional to 5,395.14, 7,490.07 and 5,234.76 is: 7,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.14 : 7,490.07 = 5,234.76 : x
  2. Step 2: Convert to fraction form
    5,395.14/7,490.07 = 5,234.76/x
  3. Step 3: Cross multiply
    5,395.14x = 7,490.07 × 5,234.76
  4. Step 4: Simplify right side
    5,395.14x = 39,208,718.83
  5. Step 5: Solve for x
    x = 39,208,718.83/5,395.14
  6. Step 6: Final answer
    x = 7,267.41

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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.