Home / 4,983.40-7,469.97-2,211.38

Finding the Fourth Proportional to 4,983.40, 7,469.97 and 2,211.38

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Solution

The fourth proportional to 4,983.40, 7,469.97 and 2,211.38 is: 3,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.40 : 7,469.97 = 2,211.38 : x
  2. Step 2: Convert to fraction form
    4,983.40/7,469.97 = 2,211.38/x
  3. Step 3: Cross multiply
    4,983.40x = 7,469.97 × 2,211.38
  4. Step 4: Simplify right side
    4,983.40x = 16,518,904.91
  5. Step 5: Solve for x
    x = 16,518,904.91/4,983.40
  6. Step 6: Final answer
    x = 3,314.79

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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.