Home / 5,245.68-7,234.20-3,451.44

Finding the Fourth Proportional to 5,245.68, 7,234.20 and 3,451.44

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Solution

The fourth proportional to 5,245.68, 7,234.20 and 3,451.44 is: 4,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.68 : 7,234.20 = 3,451.44 : x
  2. Step 2: Convert to fraction form
    5,245.68/7,234.20 = 3,451.44/x
  3. Step 3: Cross multiply
    5,245.68x = 7,234.20 × 3,451.44
  4. Step 4: Simplify right side
    5,245.68x = 24,968,407.25
  5. Step 5: Solve for x
    x = 24,968,407.25/5,245.68
  6. Step 6: Final answer
    x = 4,759.80

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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.