Home / 5,422.62-8,135.18-2,302.73

Finding the Fourth Proportional to 5,422.62, 8,135.18 and 2,302.73

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Solution

The fourth proportional to 5,422.62, 8,135.18 and 2,302.73 is: 3,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.62 : 8,135.18 = 2,302.73 : x
  2. Step 2: Convert to fraction form
    5,422.62/8,135.18 = 2,302.73/x
  3. Step 3: Cross multiply
    5,422.62x = 8,135.18 × 2,302.73
  4. Step 4: Simplify right side
    5,422.62x = 18,733,122.95
  5. Step 5: Solve for x
    x = 18,733,122.95/5,422.62
  6. Step 6: Final answer
    x = 3,454.63

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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.