Home / 5,159.34-7,732.92-2,231.46

Finding the Fourth Proportional to 5,159.34, 7,732.92 and 2,231.46

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Solution

The fourth proportional to 5,159.34, 7,732.92 and 2,231.46 is: 3,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.34 : 7,732.92 = 2,231.46 : x
  2. Step 2: Convert to fraction form
    5,159.34/7,732.92 = 2,231.46/x
  3. Step 3: Cross multiply
    5,159.34x = 7,732.92 × 2,231.46
  4. Step 4: Simplify right side
    5,159.34x = 17,255,701.66
  5. Step 5: Solve for x
    x = 17,255,701.66/5,159.34
  6. Step 6: Final answer
    x = 3,344.56

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1.5x scale

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.