Home / 3,072.75-4,600.73-2,149.23

Finding the Fourth Proportional to 3,072.75, 4,600.73 and 2,149.23

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Solution

The fourth proportional to 3,072.75, 4,600.73 and 2,149.23 is: 3,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.75 : 4,600.73 = 2,149.23 : x
  2. Step 2: Convert to fraction form
    3,072.75/4,600.73 = 2,149.23/x
  3. Step 3: Cross multiply
    3,072.75x = 4,600.73 × 2,149.23
  4. Step 4: Simplify right side
    3,072.75x = 9,888,016.19
  5. Step 5: Solve for x
    x = 9,888,016.19/3,072.75
  6. Step 6: Final answer
    x = 3,217.97

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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.