Home / 3,351.15-5,029.16-1,161.72

Finding the Fourth Proportional to 3,351.15, 5,029.16 and 1,161.72

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Solution

The fourth proportional to 3,351.15, 5,029.16 and 1,161.72 is: 1,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.15 : 5,029.16 = 1,161.72 : x
  2. Step 2: Convert to fraction form
    3,351.15/5,029.16 = 1,161.72/x
  3. Step 3: Cross multiply
    3,351.15x = 5,029.16 × 1,161.72
  4. Step 4: Simplify right side
    3,351.15x = 5,842,469.95
  5. Step 5: Solve for x
    x = 5,842,469.95/3,351.15
  6. Step 6: Final answer
    x = 1,743.42

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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.