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Finding the Fourth Proportional to 2,520.97, 3,780.97 and 2,395.95

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Solution

The fourth proportional to 2,520.97, 3,780.97 and 2,395.95 is: 3,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.97 : 3,780.97 = 2,395.95 : x
  2. Step 2: Convert to fraction form
    2,520.97/3,780.97 = 2,395.95/x
  3. Step 3: Cross multiply
    2,520.97x = 3,780.97 × 2,395.95
  4. Step 4: Simplify right side
    2,520.97x = 9,059,015.07
  5. Step 5: Solve for x
    x = 9,059,015.07/2,520.97
  6. Step 6: Final answer
    x = 3,593.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.