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Finding the Fourth Proportional to 4,260.70, 5,882.62 and 3,811.16

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Solution

The fourth proportional to 4,260.70, 5,882.62 and 3,811.16 is: 5,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.70 : 5,882.62 = 3,811.16 : x
  2. Step 2: Convert to fraction form
    4,260.70/5,882.62 = 3,811.16/x
  3. Step 3: Cross multiply
    4,260.70x = 5,882.62 × 3,811.16
  4. Step 4: Simplify right side
    4,260.70x = 22,419,606.04
  5. Step 5: Solve for x
    x = 22,419,606.04/4,260.70
  6. Step 6: Final answer
    x = 5,261.95

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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.