Home / 7,726.85-11,588.51-2,180.78

Finding the Fourth Proportional to 7,726.85, 11,588.51 and 2,180.78

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Solution

The fourth proportional to 7,726.85, 11,588.51 and 2,180.78 is: 3,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.85 : 11,588.51 = 2,180.78 : x
  2. Step 2: Convert to fraction form
    7,726.85/11,588.51 = 2,180.78/x
  3. Step 3: Cross multiply
    7,726.85x = 11,588.51 × 2,180.78
  4. Step 4: Simplify right side
    7,726.85x = 25,271,921.99
  5. Step 5: Solve for x
    x = 25,271,921.99/7,726.85
  6. Step 6: Final answer
    x = 3,270.67

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