Home / 3,951.64-5,453.16-2,183.44

Finding the Fourth Proportional to 3,951.64, 5,453.16 and 2,183.44

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Solution

The fourth proportional to 3,951.64, 5,453.16 and 2,183.44 is: 3,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.64 : 5,453.16 = 2,183.44 : x
  2. Step 2: Convert to fraction form
    3,951.64/5,453.16 = 2,183.44/x
  3. Step 3: Cross multiply
    3,951.64x = 5,453.16 × 2,183.44
  4. Step 4: Simplify right side
    3,951.64x = 11,906,647.67
  5. Step 5: Solve for x
    x = 11,906,647.67/3,951.64
  6. Step 6: Final answer
    x = 3,013.09

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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.