Home / 7,451.26-11,177.60-1,904.65

Finding the Fourth Proportional to 7,451.26, 11,177.60 and 1,904.65

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Solution

The fourth proportional to 7,451.26, 11,177.60 and 1,904.65 is: 2,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.26 : 11,177.60 = 1,904.65 : x
  2. Step 2: Convert to fraction form
    7,451.26/11,177.60 = 1,904.65/x
  3. Step 3: Cross multiply
    7,451.26x = 11,177.60 × 1,904.65
  4. Step 4: Simplify right side
    7,451.26x = 21,289,378.37
  5. Step 5: Solve for x
    x = 21,289,378.37/7,451.26
  6. Step 6: Final answer
    x = 2,857.15

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