Home / 5,245.27-7,869.04-2,614.21

Finding the Fourth Proportional to 5,245.27, 7,869.04 and 2,614.21

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Solution

The fourth proportional to 5,245.27, 7,869.04 and 2,614.21 is: 3,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.27 : 7,869.04 = 2,614.21 : x
  2. Step 2: Convert to fraction form
    5,245.27/7,869.04 = 2,614.21/x
  3. Step 3: Cross multiply
    5,245.27x = 7,869.04 × 2,614.21
  4. Step 4: Simplify right side
    5,245.27x = 20,571,293.12
  5. Step 5: Solve for x
    x = 20,571,293.12/5,245.27
  6. Step 6: Final answer
    x = 3,921.88

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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.