Home / 5,829.68-8,742.60-2,131.28

Finding the Fourth Proportional to 5,829.68, 8,742.60 and 2,131.28

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Solution

The fourth proportional to 5,829.68, 8,742.60 and 2,131.28 is: 3,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.68 : 8,742.60 = 2,131.28 : x
  2. Step 2: Convert to fraction form
    5,829.68/8,742.60 = 2,131.28/x
  3. Step 3: Cross multiply
    5,829.68x = 8,742.60 × 2,131.28
  4. Step 4: Simplify right side
    5,829.68x = 18,632,928.53
  5. Step 5: Solve for x
    x = 18,632,928.53/5,829.68
  6. Step 6: Final answer
    x = 3,196.22

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