Home / 6,724.78-10,088.79-2,107.78

Finding the Fourth Proportional to 6,724.78, 10,088.79 and 2,107.78

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Solution

The fourth proportional to 6,724.78, 10,088.79 and 2,107.78 is: 3,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.78 : 10,088.79 = 2,107.78 : x
  2. Step 2: Convert to fraction form
    6,724.78/10,088.79 = 2,107.78/x
  3. Step 3: Cross multiply
    6,724.78x = 10,088.79 × 2,107.78
  4. Step 4: Simplify right side
    6,724.78x = 21,264,966.35
  5. Step 5: Solve for x
    x = 21,264,966.35/6,724.78
  6. Step 6: Final answer
    x = 3,162.18

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