Home / 5,786.55-8,680.46-1,890.05

Finding the Fourth Proportional to 5,786.55, 8,680.46 and 1,890.05

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Solution

The fourth proportional to 5,786.55, 8,680.46 and 1,890.05 is: 2,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.55 : 8,680.46 = 1,890.05 : x
  2. Step 2: Convert to fraction form
    5,786.55/8,680.46 = 1,890.05/x
  3. Step 3: Cross multiply
    5,786.55x = 8,680.46 × 1,890.05
  4. Step 4: Simplify right side
    5,786.55x = 16,406,450.57
  5. Step 5: Solve for x
    x = 16,406,450.57/5,786.55
  6. Step 6: Final answer
    x = 2,835.27

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