Home / 5,380.49-7,425.17-3,256.07

Finding the Fourth Proportional to 5,380.49, 7,425.17 and 3,256.07

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Solution

The fourth proportional to 5,380.49, 7,425.17 and 3,256.07 is: 4,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.49 : 7,425.17 = 3,256.07 : x
  2. Step 2: Convert to fraction form
    5,380.49/7,425.17 = 3,256.07/x
  3. Step 3: Cross multiply
    5,380.49x = 7,425.17 × 3,256.07
  4. Step 4: Simplify right side
    5,380.49x = 24,176,819.88
  5. Step 5: Solve for x
    x = 24,176,819.88/5,380.49
  6. Step 6: Final answer
    x = 4,493.43

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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.