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Finding the Fourth Proportional to 5,234.91, 7,224.18 and 2,844.90

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Solution

The fourth proportional to 5,234.91, 7,224.18 and 2,844.90 is: 3,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.91 : 7,224.18 = 2,844.90 : x
  2. Step 2: Convert to fraction form
    5,234.91/7,224.18 = 2,844.90/x
  3. Step 3: Cross multiply
    5,234.91x = 7,224.18 × 2,844.90
  4. Step 4: Simplify right side
    5,234.91x = 20,552,069.68
  5. Step 5: Solve for x
    x = 20,552,069.68/5,234.91
  6. Step 6: Final answer
    x = 3,925.96

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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.