Home / 5,115.61-7,057.35-3,344.14

Finding the Fourth Proportional to 5,115.61, 7,057.35 and 3,344.14

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Solution

The fourth proportional to 5,115.61, 7,057.35 and 3,344.14 is: 4,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.61 : 7,057.35 = 3,344.14 : x
  2. Step 2: Convert to fraction form
    5,115.61/7,057.35 = 3,344.14/x
  3. Step 3: Cross multiply
    5,115.61x = 7,057.35 × 3,344.14
  4. Step 4: Simplify right side
    5,115.61x = 23,600,766.43
  5. Step 5: Solve for x
    x = 23,600,766.43/5,115.61
  6. Step 6: Final answer
    x = 4,613.48

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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.