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Finding the Fourth Proportional to 5,644.72, 7,792.44 and 3,759.48

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Solution

The fourth proportional to 5,644.72, 7,792.44 and 3,759.48 is: 5,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.72 : 7,792.44 = 3,759.48 : x
  2. Step 2: Convert to fraction form
    5,644.72/7,792.44 = 3,759.48/x
  3. Step 3: Cross multiply
    5,644.72x = 7,792.44 × 3,759.48
  4. Step 4: Simplify right side
    5,644.72x = 29,295,522.33
  5. Step 5: Solve for x
    x = 29,295,522.33/5,644.72
  6. Step 6: Final answer
    x = 5,189.90

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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.