Home / 5,149.13-7,723.68-4,453.72

Finding the Fourth Proportional to 5,149.13, 7,723.68 and 4,453.72

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Solution

The fourth proportional to 5,149.13, 7,723.68 and 4,453.72 is: 6,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.13 : 7,723.68 = 4,453.72 : x
  2. Step 2: Convert to fraction form
    5,149.13/7,723.68 = 4,453.72/x
  3. Step 3: Cross multiply
    5,149.13x = 7,723.68 × 4,453.72
  4. Step 4: Simplify right side
    5,149.13x = 34,399,117.74
  5. Step 5: Solve for x
    x = 34,399,117.74/5,149.13
  6. Step 6: Final answer
    x = 6,680.58

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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.