Home / 4,771.92-7,151.40-3,543.96

Finding the Fourth Proportional to 4,771.92, 7,151.40 and 3,543.96

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Solution

The fourth proportional to 4,771.92, 7,151.40 and 3,543.96 is: 5,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.92 : 7,151.40 = 3,543.96 : x
  2. Step 2: Convert to fraction form
    4,771.92/7,151.40 = 3,543.96/x
  3. Step 3: Cross multiply
    4,771.92x = 7,151.40 × 3,543.96
  4. Step 4: Simplify right side
    4,771.92x = 25,344,275.54
  5. Step 5: Solve for x
    x = 25,344,275.54/4,771.92
  6. Step 6: Final answer
    x = 5,311.13

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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.