Home / 3,863.96-5,781.36-3,028.04

Finding the Fourth Proportional to 3,863.96, 5,781.36 and 3,028.04

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Solution

The fourth proportional to 3,863.96, 5,781.36 and 3,028.04 is: 4,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.96 : 5,781.36 = 3,028.04 : x
  2. Step 2: Convert to fraction form
    3,863.96/5,781.36 = 3,028.04/x
  3. Step 3: Cross multiply
    3,863.96x = 5,781.36 × 3,028.04
  4. Step 4: Simplify right side
    3,863.96x = 17,506,189.33
  5. Step 5: Solve for x
    x = 17,506,189.33/3,863.96
  6. Step 6: Final answer
    x = 4,530.63

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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.