Home / 4,078.52-6,120.20-1,481.66

Finding the Fourth Proportional to 4,078.52, 6,120.20 and 1,481.66

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Solution

The fourth proportional to 4,078.52, 6,120.20 and 1,481.66 is: 2,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.52 : 6,120.20 = 1,481.66 : x
  2. Step 2: Convert to fraction form
    4,078.52/6,120.20 = 1,481.66/x
  3. Step 3: Cross multiply
    4,078.52x = 6,120.20 × 1,481.66
  4. Step 4: Simplify right side
    4,078.52x = 9,068,055.53
  5. Step 5: Solve for x
    x = 9,068,055.53/4,078.52
  6. Step 6: Final answer
    x = 2,223.37

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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.