Home / 3,615.17-5,422.70-1,149.96

Finding the Fourth Proportional to 3,615.17, 5,422.70 and 1,149.96

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Solution

The fourth proportional to 3,615.17, 5,422.70 and 1,149.96 is: 1,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.17 : 5,422.70 = 1,149.96 : x
  2. Step 2: Convert to fraction form
    3,615.17/5,422.70 = 1,149.96/x
  3. Step 3: Cross multiply
    3,615.17x = 5,422.70 × 1,149.96
  4. Step 4: Simplify right side
    3,615.17x = 6,235,881.96
  5. Step 5: Solve for x
    x = 6,235,881.96/3,615.17
  6. Step 6: Final answer
    x = 1,724.92

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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.