Home / 5,317.24-7,975.25-1,421.95

Finding the Fourth Proportional to 5,317.24, 7,975.25 and 1,421.95

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Solution

The fourth proportional to 5,317.24, 7,975.25 and 1,421.95 is: 2,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.24 : 7,975.25 = 1,421.95 : x
  2. Step 2: Convert to fraction form
    5,317.24/7,975.25 = 1,421.95/x
  3. Step 3: Cross multiply
    5,317.24x = 7,975.25 × 1,421.95
  4. Step 4: Simplify right side
    5,317.24x = 11,340,399.98
  5. Step 5: Solve for x
    x = 11,340,399.98/5,317.24
  6. Step 6: Final answer
    x = 2,132.76

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