Home / 3,854.17-5,778.91-1,511.37

Finding the Fourth Proportional to 3,854.17, 5,778.91 and 1,511.37

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Solution

The fourth proportional to 3,854.17, 5,778.91 and 1,511.37 is: 2,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.17 : 5,778.91 = 1,511.37 : x
  2. Step 2: Convert to fraction form
    3,854.17/5,778.91 = 1,511.37/x
  3. Step 3: Cross multiply
    3,854.17x = 5,778.91 × 1,511.37
  4. Step 4: Simplify right side
    3,854.17x = 8,734,042.31
  5. Step 5: Solve for x
    x = 8,734,042.31/3,854.17
  6. Step 6: Final answer
    x = 2,266.13

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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.