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Finding the Fourth Proportional to 4,338.87, 5,982.98 and 4,247.75

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Solution

The fourth proportional to 4,338.87, 5,982.98 and 4,247.75 is: 5,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.87 : 5,982.98 = 4,247.75 : x
  2. Step 2: Convert to fraction form
    4,338.87/5,982.98 = 4,247.75/x
  3. Step 3: Cross multiply
    4,338.87x = 5,982.98 × 4,247.75
  4. Step 4: Simplify right side
    4,338.87x = 25,414,152.14
  5. Step 5: Solve for x
    x = 25,414,152.14/4,338.87
  6. Step 6: Final answer
    x = 5,857.32

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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.