Home / 5,167.44-7,131.09-2,929.35

Finding the Fourth Proportional to 5,167.44, 7,131.09 and 2,929.35

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Solution

The fourth proportional to 5,167.44, 7,131.09 and 2,929.35 is: 4,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.44 : 7,131.09 = 2,929.35 : x
  2. Step 2: Convert to fraction form
    5,167.44/7,131.09 = 2,929.35/x
  3. Step 3: Cross multiply
    5,167.44x = 7,131.09 × 2,929.35
  4. Step 4: Simplify right side
    5,167.44x = 20,889,458.49
  5. Step 5: Solve for x
    x = 20,889,458.49/5,167.44
  6. Step 6: Final answer
    x = 4,042.52

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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.