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Finding the Fourth Proportional to 3,954.15, 5,913.41 and 3,517.97

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Solution

The fourth proportional to 3,954.15, 5,913.41 and 3,517.97 is: 5,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.15 : 5,913.41 = 3,517.97 : x
  2. Step 2: Convert to fraction form
    3,954.15/5,913.41 = 3,517.97/x
  3. Step 3: Cross multiply
    3,954.15x = 5,913.41 × 3,517.97
  4. Step 4: Simplify right side
    3,954.15x = 20,803,151.82
  5. Step 5: Solve for x
    x = 20,803,151.82/3,954.15
  6. Step 6: Final answer
    x = 5,261.09

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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.