Home / 5,490.96-7,576.20-3,132.24

Finding the Fourth Proportional to 5,490.96, 7,576.20 and 3,132.24

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Solution

The fourth proportional to 5,490.96, 7,576.20 and 3,132.24 is: 4,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.96 : 7,576.20 = 3,132.24 : x
  2. Step 2: Convert to fraction form
    5,490.96/7,576.20 = 3,132.24/x
  3. Step 3: Cross multiply
    5,490.96x = 7,576.20 × 3,132.24
  4. Step 4: Simplify right side
    5,490.96x = 23,730,476.69
  5. Step 5: Solve for x
    x = 23,730,476.69/5,490.96
  6. Step 6: Final answer
    x = 4,321.74

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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.