Home / 4,078.36-6,119.66-2,229.14

Finding the Fourth Proportional to 4,078.36, 6,119.66 and 2,229.14

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Solution

The fourth proportional to 4,078.36, 6,119.66 and 2,229.14 is: 3,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.36 : 6,119.66 = 2,229.14 : x
  2. Step 2: Convert to fraction form
    4,078.36/6,119.66 = 2,229.14/x
  3. Step 3: Cross multiply
    4,078.36x = 6,119.66 × 2,229.14
  4. Step 4: Simplify right side
    4,078.36x = 13,641,578.89
  5. Step 5: Solve for x
    x = 13,641,578.89/4,078.36
  6. Step 6: Final answer
    x = 3,344.87

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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.