Home / 5,167.36-7,131.26-2,929.33

Finding the Fourth Proportional to 5,167.36, 7,131.26 and 2,929.33

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Solution

The fourth proportional to 5,167.36, 7,131.26 and 2,929.33 is: 4,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.36 : 7,131.26 = 2,929.33 : x
  2. Step 2: Convert to fraction form
    5,167.36/7,131.26 = 2,929.33/x
  3. Step 3: Cross multiply
    5,167.36x = 7,131.26 × 2,929.33
  4. Step 4: Simplify right side
    5,167.36x = 20,889,813.86
  5. Step 5: Solve for x
    x = 20,889,813.86/5,167.36
  6. Step 6: Final answer
    x = 4,042.65

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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.