Home / 6,927.78-10,391.85-2,542.38

Finding the Fourth Proportional to 6,927.78, 10,391.85 and 2,542.38

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Solution

The fourth proportional to 6,927.78, 10,391.85 and 2,542.38 is: 3,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.78 : 10,391.85 = 2,542.38 : x
  2. Step 2: Convert to fraction form
    6,927.78/10,391.85 = 2,542.38/x
  3. Step 3: Cross multiply
    6,927.78x = 10,391.85 × 2,542.38
  4. Step 4: Simplify right side
    6,927.78x = 26,420,031.60
  5. Step 5: Solve for x
    x = 26,420,031.60/6,927.78
  6. Step 6: Final answer
    x = 3,813.64

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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.