Home / 7,227.85-9,974.43-4,084.04

Finding the Fourth Proportional to 7,227.85, 9,974.43 and 4,084.04

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Solution

The fourth proportional to 7,227.85, 9,974.43 and 4,084.04 is: 5,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.85 : 9,974.43 = 4,084.04 : x
  2. Step 2: Convert to fraction form
    7,227.85/9,974.43 = 4,084.04/x
  3. Step 3: Cross multiply
    7,227.85x = 9,974.43 × 4,084.04
  4. Step 4: Simplify right side
    7,227.85x = 40,735,921.23
  5. Step 5: Solve for x
    x = 40,735,921.23/7,227.85
  6. Step 6: Final answer
    x = 5,635.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.