Home / 3,108.97-4,663.29-1,161.02

Finding the Fourth Proportional to 3,108.97, 4,663.29 and 1,161.02

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Solution

The fourth proportional to 3,108.97, 4,663.29 and 1,161.02 is: 1,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.97 : 4,663.29 = 1,161.02 : x
  2. Step 2: Convert to fraction form
    3,108.97/4,663.29 = 1,161.02/x
  3. Step 3: Cross multiply
    3,108.97x = 4,663.29 × 1,161.02
  4. Step 4: Simplify right side
    3,108.97x = 5,414,149.64
  5. Step 5: Solve for x
    x = 5,414,149.64/3,108.97
  6. Step 6: Final answer
    x = 1,741.46

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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.