Home / 3,301.88-4,949.40-1,109.87

Finding the Fourth Proportional to 3,301.88, 4,949.40 and 1,109.87

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Solution

The fourth proportional to 3,301.88, 4,949.40 and 1,109.87 is: 1,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.88 : 4,949.40 = 1,109.87 : x
  2. Step 2: Convert to fraction form
    3,301.88/4,949.40 = 1,109.87/x
  3. Step 3: Cross multiply
    3,301.88x = 4,949.40 × 1,109.87
  4. Step 4: Simplify right side
    3,301.88x = 5,493,190.58
  5. Step 5: Solve for x
    x = 5,493,190.58/3,301.88
  6. Step 6: Final answer
    x = 1,663.66

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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.