Home / 3,466.40-5,197.77-2,981.61

Finding the Fourth Proportional to 3,466.40, 5,197.77 and 2,981.61

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Solution

The fourth proportional to 3,466.40, 5,197.77 and 2,981.61 is: 4,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.40 : 5,197.77 = 2,981.61 : x
  2. Step 2: Convert to fraction form
    3,466.40/5,197.77 = 2,981.61/x
  3. Step 3: Cross multiply
    3,466.40x = 5,197.77 × 2,981.61
  4. Step 4: Simplify right side
    3,466.40x = 15,497,723.01
  5. Step 5: Solve for x
    x = 15,497,723.01/3,466.40
  6. Step 6: Final answer
    x = 4,470.85

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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.