Home / 5,156.25-7,733.73-2,195.88

Finding the Fourth Proportional to 5,156.25, 7,733.73 and 2,195.88

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Solution

The fourth proportional to 5,156.25, 7,733.73 and 2,195.88 is: 3,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.25 : 7,733.73 = 2,195.88 : x
  2. Step 2: Convert to fraction form
    5,156.25/7,733.73 = 2,195.88/x
  3. Step 3: Cross multiply
    5,156.25x = 7,733.73 × 2,195.88
  4. Step 4: Simplify right side
    5,156.25x = 16,982,343.03
  5. Step 5: Solve for x
    x = 16,982,343.03/5,156.25
  6. Step 6: Final answer
    x = 3,293.55

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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.