Home / 3,952.10-5,454.09-2,183.90

Finding the Fourth Proportional to 3,952.10, 5,454.09 and 2,183.90

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Solution

The fourth proportional to 3,952.10, 5,454.09 and 2,183.90 is: 3,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.10 : 5,454.09 = 2,183.90 : x
  2. Step 2: Convert to fraction form
    3,952.10/5,454.09 = 2,183.90/x
  3. Step 3: Cross multiply
    3,952.10x = 5,454.09 × 2,183.90
  4. Step 4: Simplify right side
    3,952.10x = 11,911,187.15
  5. Step 5: Solve for x
    x = 11,911,187.15/3,952.10
  6. Step 6: Final answer
    x = 3,013.89

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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.