Home / 6,769.70-9,342.39-3,785.66

Finding the Fourth Proportional to 6,769.70, 9,342.39 and 3,785.66

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Solution

The fourth proportional to 6,769.70, 9,342.39 and 3,785.66 is: 5,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.70 : 9,342.39 = 3,785.66 : x
  2. Step 2: Convert to fraction form
    6,769.70/9,342.39 = 3,785.66/x
  3. Step 3: Cross multiply
    6,769.70x = 9,342.39 × 3,785.66
  4. Step 4: Simplify right side
    6,769.70x = 35,367,112.13
  5. Step 5: Solve for x
    x = 35,367,112.13/6,769.70
  6. Step 6: Final answer
    x = 5,224.32

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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.