Home / 3,961.61-5,939.68-1,739.37

Finding the Fourth Proportional to 3,961.61, 5,939.68 and 1,739.37

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Solution

The fourth proportional to 3,961.61, 5,939.68 and 1,739.37 is: 2,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.61 : 5,939.68 = 1,739.37 : x
  2. Step 2: Convert to fraction form
    3,961.61/5,939.68 = 1,739.37/x
  3. Step 3: Cross multiply
    3,961.61x = 5,939.68 × 1,739.37
  4. Step 4: Simplify right side
    3,961.61x = 10,331,301.20
  5. Step 5: Solve for x
    x = 10,331,301.20/3,961.61
  6. Step 6: Final answer
    x = 2,607.85

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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.