Home / 4,101.92-6,148.56-1,761.20

Finding the Fourth Proportional to 4,101.92, 6,148.56 and 1,761.20

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Solution

The fourth proportional to 4,101.92, 6,148.56 and 1,761.20 is: 2,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.92 : 6,148.56 = 1,761.20 : x
  2. Step 2: Convert to fraction form
    4,101.92/6,148.56 = 1,761.20/x
  3. Step 3: Cross multiply
    4,101.92x = 6,148.56 × 1,761.20
  4. Step 4: Simplify right side
    4,101.92x = 10,828,843.87
  5. Step 5: Solve for x
    x = 10,828,843.87/4,101.92
  6. Step 6: Final answer
    x = 2,639.95

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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.