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Finding the Fourth Proportional to 3,614.70, 5,422.05 and 1,883.10

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Solution

The fourth proportional to 3,614.70, 5,422.05 and 1,883.10 is: 2,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.70 : 5,422.05 = 1,883.10 : x
  2. Step 2: Convert to fraction form
    3,614.70/5,422.05 = 1,883.10/x
  3. Step 3: Cross multiply
    3,614.70x = 5,422.05 × 1,883.10
  4. Step 4: Simplify right side
    3,614.70x = 10,210,262.36
  5. Step 5: Solve for x
    x = 10,210,262.36/3,614.70
  6. Step 6: Final answer
    x = 2,824.65

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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.