Home / 6,781.12-9,358.52-3,796.91

Finding the Fourth Proportional to 6,781.12, 9,358.52 and 3,796.91

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Solution

The fourth proportional to 6,781.12, 9,358.52 and 3,796.91 is: 5,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.12 : 9,358.52 = 3,796.91 : x
  2. Step 2: Convert to fraction form
    6,781.12/9,358.52 = 3,796.91/x
  3. Step 3: Cross multiply
    6,781.12x = 9,358.52 × 3,796.91
  4. Step 4: Simplify right side
    6,781.12x = 35,533,458.17
  5. Step 5: Solve for x
    x = 35,533,458.17/6,781.12
  6. Step 6: Final answer
    x = 5,240.06

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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.