Home / 2,778.57-3,833.33-1,834.85

Finding the Fourth Proportional to 2,778.57, 3,833.33 and 1,834.85

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Solution

The fourth proportional to 2,778.57, 3,833.33 and 1,834.85 is: 2,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.57 : 3,833.33 = 1,834.85 : x
  2. Step 2: Convert to fraction form
    2,778.57/3,833.33 = 1,834.85/x
  3. Step 3: Cross multiply
    2,778.57x = 3,833.33 × 1,834.85
  4. Step 4: Simplify right side
    2,778.57x = 7,033,585.96
  5. Step 5: Solve for x
    x = 7,033,585.96/2,778.57
  6. Step 6: Final answer
    x = 2,531.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.