Home / 5,384.22-8,078.40-2,099.64

Finding the Fourth Proportional to 5,384.22, 8,078.40 and 2,099.64

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Solution

The fourth proportional to 5,384.22, 8,078.40 and 2,099.64 is: 3,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.22 : 8,078.40 = 2,099.64 : x
  2. Step 2: Convert to fraction form
    5,384.22/8,078.40 = 2,099.64/x
  3. Step 3: Cross multiply
    5,384.22x = 8,078.40 × 2,099.64
  4. Step 4: Simplify right side
    5,384.22x = 16,961,731.78
  5. Step 5: Solve for x
    x = 16,961,731.78/5,384.22
  6. Step 6: Final answer
    x = 3,150.27

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