Home / 3,175.12-4,761.36-1,200.41

Finding the Fourth Proportional to 3,175.12, 4,761.36 and 1,200.41

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Solution

The fourth proportional to 3,175.12, 4,761.36 and 1,200.41 is: 1,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.12 : 4,761.36 = 1,200.41 : x
  2. Step 2: Convert to fraction form
    3,175.12/4,761.36 = 1,200.41/x
  3. Step 3: Cross multiply
    3,175.12x = 4,761.36 × 1,200.41
  4. Step 4: Simplify right side
    3,175.12x = 5,715,560.35
  5. Step 5: Solve for x
    x = 5,715,560.35/3,175.12
  6. Step 6: Final answer
    x = 1,800.11

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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.