Home / 3,851.92-5,310.12-2,746

Finding the Fourth Proportional to 3,851.92, 5,310.12 and 2,746

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Solution

The fourth proportional to 3,851.92, 5,310.12 and 2,746 is: 3,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.92 : 5,310.12 = 2,746 : x
  2. Step 2: Convert to fraction form
    3,851.92/5,310.12 = 2,746/x
  3. Step 3: Cross multiply
    3,851.92x = 5,310.12 × 2,746
  4. Step 4: Simplify right side
    3,851.92x = 14,581,589.52
  5. Step 5: Solve for x
    x = 14,581,589.52/3,851.92
  6. Step 6: Final answer
    x = 3,785.54

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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.