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Finding the Fourth Proportional to 5,758.78, 7,947.52 and 3,241.13

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Solution

The fourth proportional to 5,758.78, 7,947.52 and 3,241.13 is: 4,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.78 : 7,947.52 = 3,241.13 : x
  2. Step 2: Convert to fraction form
    5,758.78/7,947.52 = 3,241.13/x
  3. Step 3: Cross multiply
    5,758.78x = 7,947.52 × 3,241.13
  4. Step 4: Simplify right side
    5,758.78x = 25,758,942.36
  5. Step 5: Solve for x
    x = 25,758,942.36/5,758.78
  6. Step 6: Final answer
    x = 4,472.99

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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.