Home / 5,614.30-7,747.71-3,257.80

Finding the Fourth Proportional to 5,614.30, 7,747.71 and 3,257.80

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Solution

The fourth proportional to 5,614.30, 7,747.71 and 3,257.80 is: 4,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.30 : 7,747.71 = 3,257.80 : x
  2. Step 2: Convert to fraction form
    5,614.30/7,747.71 = 3,257.80/x
  3. Step 3: Cross multiply
    5,614.30x = 7,747.71 × 3,257.80
  4. Step 4: Simplify right side
    5,614.30x = 25,240,489.64
  5. Step 5: Solve for x
    x = 25,240,489.64/5,614.30
  6. Step 6: Final answer
    x = 4,495.75

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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.