Home / 5,105.62-7,643.82-3,459.24

Finding the Fourth Proportional to 5,105.62, 7,643.82 and 3,459.24

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Solution

The fourth proportional to 5,105.62, 7,643.82 and 3,459.24 is: 5,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.62 : 7,643.82 = 3,459.24 : x
  2. Step 2: Convert to fraction form
    5,105.62/7,643.82 = 3,459.24/x
  3. Step 3: Cross multiply
    5,105.62x = 7,643.82 × 3,459.24
  4. Step 4: Simplify right side
    5,105.62x = 26,441,827.01
  5. Step 5: Solve for x
    x = 26,441,827.01/5,105.62
  6. Step 6: Final answer
    x = 5,178.97

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