Home / 7,077.82-9,767.25-3,933.94

Finding the Fourth Proportional to 7,077.82, 9,767.25 and 3,933.94

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Solution

The fourth proportional to 7,077.82, 9,767.25 and 3,933.94 is: 5,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.82 : 9,767.25 = 3,933.94 : x
  2. Step 2: Convert to fraction form
    7,077.82/9,767.25 = 3,933.94/x
  3. Step 3: Cross multiply
    7,077.82x = 9,767.25 × 3,933.94
  4. Step 4: Simplify right side
    7,077.82x = 38,423,775.47
  5. Step 5: Solve for x
    x = 38,423,775.47/7,077.82
  6. Step 6: Final answer
    x = 5,428.76

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