Home / 6,974.31-10,449.15-3,680.14

Finding the Fourth Proportional to 6,974.31, 10,449.15 and 3,680.14

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Solution

The fourth proportional to 6,974.31, 10,449.15 and 3,680.14 is: 5,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.31 : 10,449.15 = 3,680.14 : x
  2. Step 2: Convert to fraction form
    6,974.31/10,449.15 = 3,680.14/x
  3. Step 3: Cross multiply
    6,974.31x = 10,449.15 × 3,680.14
  4. Step 4: Simplify right side
    6,974.31x = 38,454,282.64
  5. Step 5: Solve for x
    x = 38,454,282.64/6,974.31
  6. Step 6: Final answer
    x = 5,513.70

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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.