Home / 5,029.42-6,940.31-2,791.31

Finding the Fourth Proportional to 5,029.42, 6,940.31 and 2,791.31

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Solution

The fourth proportional to 5,029.42, 6,940.31 and 2,791.31 is: 3,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.42 : 6,940.31 = 2,791.31 : x
  2. Step 2: Convert to fraction form
    5,029.42/6,940.31 = 2,791.31/x
  3. Step 3: Cross multiply
    5,029.42x = 6,940.31 × 2,791.31
  4. Step 4: Simplify right side
    5,029.42x = 19,372,554.94
  5. Step 5: Solve for x
    x = 19,372,554.94/5,029.42
  6. Step 6: Final answer
    x = 3,851.85

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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.