Home / 2,795.31-4,192.05-1,408.39

Finding the Fourth Proportional to 2,795.31, 4,192.05 and 1,408.39

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Solution

The fourth proportional to 2,795.31, 4,192.05 and 1,408.39 is: 2,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.31 : 4,192.05 = 1,408.39 : x
  2. Step 2: Convert to fraction form
    2,795.31/4,192.05 = 1,408.39/x
  3. Step 3: Cross multiply
    2,795.31x = 4,192.05 × 1,408.39
  4. Step 4: Simplify right side
    2,795.31x = 5,904,036.10
  5. Step 5: Solve for x
    x = 5,904,036.10/2,795.31
  6. Step 6: Final answer
    x = 2,112.12

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