Home / 7,925.75-11,890.34-2,379.59

Finding the Fourth Proportional to 7,925.75, 11,890.34 and 2,379.59

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Solution

The fourth proportional to 7,925.75, 11,890.34 and 2,379.59 is: 3,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.75 : 11,890.34 = 2,379.59 : x
  2. Step 2: Convert to fraction form
    7,925.75/11,890.34 = 2,379.59/x
  3. Step 3: Cross multiply
    7,925.75x = 11,890.34 × 2,379.59
  4. Step 4: Simplify right side
    7,925.75x = 28,294,062.81
  5. Step 5: Solve for x
    x = 28,294,062.81/7,925.75
  6. Step 6: Final answer
    x = 3,569.89

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