Home / 4,192.20-5,769.96-3,691.56

Finding the Fourth Proportional to 4,192.20, 5,769.96 and 3,691.56

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Solution

The fourth proportional to 4,192.20, 5,769.96 and 3,691.56 is: 5,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.20 : 5,769.96 = 3,691.56 : x
  2. Step 2: Convert to fraction form
    4,192.20/5,769.96 = 3,691.56/x
  3. Step 3: Cross multiply
    4,192.20x = 5,769.96 × 3,691.56
  4. Step 4: Simplify right side
    4,192.20x = 21,300,153.54
  5. Step 5: Solve for x
    x = 21,300,153.54/4,192.20
  6. Step 6: Final answer
    x = 5,080.90

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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.