Home / 6,896.60-9,517.38-3,752.78

Finding the Fourth Proportional to 6,896.60, 9,517.38 and 3,752.78

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Solution

The fourth proportional to 6,896.60, 9,517.38 and 3,752.78 is: 5,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.60 : 9,517.38 = 3,752.78 : x
  2. Step 2: Convert to fraction form
    6,896.60/9,517.38 = 3,752.78/x
  3. Step 3: Cross multiply
    6,896.60x = 9,517.38 × 3,752.78
  4. Step 4: Simplify right side
    6,896.60x = 35,716,633.32
  5. Step 5: Solve for x
    x = 35,716,633.32/6,896.60
  6. Step 6: Final answer
    x = 5,178.88

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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.