Home / 5,380.71-7,425.45-3,256.22

Finding the Fourth Proportional to 5,380.71, 7,425.45 and 3,256.22

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Solution

The fourth proportional to 5,380.71, 7,425.45 and 3,256.22 is: 4,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.71 : 7,425.45 = 3,256.22 : x
  2. Step 2: Convert to fraction form
    5,380.71/7,425.45 = 3,256.22/x
  3. Step 3: Cross multiply
    5,380.71x = 7,425.45 × 3,256.22
  4. Step 4: Simplify right side
    5,380.71x = 24,178,861.67
  5. Step 5: Solve for x
    x = 24,178,861.67/5,380.71
  6. Step 6: Final answer
    x = 4,493.62

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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.