Home / 3,661.20-5,481.18-2,346.48

Finding the Fourth Proportional to 3,661.20, 5,481.18 and 2,346.48

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Solution

The fourth proportional to 3,661.20, 5,481.18 and 2,346.48 is: 3,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.20 : 5,481.18 = 2,346.48 : x
  2. Step 2: Convert to fraction form
    3,661.20/5,481.18 = 2,346.48/x
  3. Step 3: Cross multiply
    3,661.20x = 5,481.18 × 2,346.48
  4. Step 4: Simplify right side
    3,661.20x = 12,861,479.25
  5. Step 5: Solve for x
    x = 12,861,479.25/3,661.20
  6. Step 6: Final answer
    x = 3,512.91

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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.