Home / 3,952.21-5,453.98-2,183.89

Finding the Fourth Proportional to 3,952.21, 5,453.98 and 2,183.89

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Solution

The fourth proportional to 3,952.21, 5,453.98 and 2,183.89 is: 3,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.21 : 5,453.98 = 2,183.89 : x
  2. Step 2: Convert to fraction form
    3,952.21/5,453.98 = 2,183.89/x
  3. Step 3: Cross multiply
    3,952.21x = 5,453.98 × 2,183.89
  4. Step 4: Simplify right side
    3,952.21x = 11,910,892.38
  5. Step 5: Solve for x
    x = 11,910,892.38/3,952.21
  6. Step 6: Final answer
    x = 3,013.73

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1.5x scale

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.