Home / 3,963.85-5,469.74-2,370.17

Finding the Fourth Proportional to 3,963.85, 5,469.74 and 2,370.17

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Solution

The fourth proportional to 3,963.85, 5,469.74 and 2,370.17 is: 3,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.85 : 5,469.74 = 2,370.17 : x
  2. Step 2: Convert to fraction form
    3,963.85/5,469.74 = 2,370.17/x
  3. Step 3: Cross multiply
    3,963.85x = 5,469.74 × 2,370.17
  4. Step 4: Simplify right side
    3,963.85x = 12,964,235.39
  5. Step 5: Solve for x
    x = 12,964,235.39/3,963.85
  6. Step 6: Final answer
    x = 3,270.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.