Home / 3,849.89-5,775.60-1,384.91

Finding the Fourth Proportional to 3,849.89, 5,775.60 and 1,384.91

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Solution

The fourth proportional to 3,849.89, 5,775.60 and 1,384.91 is: 2,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.89 : 5,775.60 = 1,384.91 : x
  2. Step 2: Convert to fraction form
    3,849.89/5,775.60 = 1,384.91/x
  3. Step 3: Cross multiply
    3,849.89x = 5,775.60 × 1,384.91
  4. Step 4: Simplify right side
    3,849.89x = 7,998,657.32
  5. Step 5: Solve for x
    x = 7,998,657.32/3,849.89
  6. Step 6: Final answer
    x = 2,077.64

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