Home / 6,680.68-10,023.45-3,171.76

Finding the Fourth Proportional to 6,680.68, 10,023.45 and 3,171.76

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Solution

The fourth proportional to 6,680.68, 10,023.45 and 3,171.76 is: 4,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.68 : 10,023.45 = 3,171.76 : x
  2. Step 2: Convert to fraction form
    6,680.68/10,023.45 = 3,171.76/x
  3. Step 3: Cross multiply
    6,680.68x = 10,023.45 × 3,171.76
  4. Step 4: Simplify right side
    6,680.68x = 31,791,977.77
  5. Step 5: Solve for x
    x = 31,791,977.77/6,680.68
  6. Step 6: Final answer
    x = 4,758.79

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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.