Home / 6,938.38-9,574.97-3,794.57

Finding the Fourth Proportional to 6,938.38, 9,574.97 and 3,794.57

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Solution

The fourth proportional to 6,938.38, 9,574.97 and 3,794.57 is: 5,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.38 : 9,574.97 = 3,794.57 : x
  2. Step 2: Convert to fraction form
    6,938.38/9,574.97 = 3,794.57/x
  3. Step 3: Cross multiply
    6,938.38x = 9,574.97 × 3,794.57
  4. Step 4: Simplify right side
    6,938.38x = 36,332,874.94
  5. Step 5: Solve for x
    x = 36,332,874.94/6,938.38
  6. Step 6: Final answer
    x = 5,236.51

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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.