Home / 7,167.57-10,755.45-2,784.46

Finding the Fourth Proportional to 7,167.57, 10,755.45 and 2,784.46

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Solution

The fourth proportional to 7,167.57, 10,755.45 and 2,784.46 is: 4,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.57 : 10,755.45 = 2,784.46 : x
  2. Step 2: Convert to fraction form
    7,167.57/10,755.45 = 2,784.46/x
  3. Step 3: Cross multiply
    7,167.57x = 10,755.45 × 2,784.46
  4. Step 4: Simplify right side
    7,167.57x = 29,948,120.31
  5. Step 5: Solve for x
    x = 29,948,120.31/7,167.57
  6. Step 6: Final answer
    x = 4,178.28

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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.