Home / 3,811.12-5,713.97-1,469.14

Finding the Fourth Proportional to 3,811.12, 5,713.97 and 1,469.14

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Solution

The fourth proportional to 3,811.12, 5,713.97 and 1,469.14 is: 2,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.12 : 5,713.97 = 1,469.14 : x
  2. Step 2: Convert to fraction form
    3,811.12/5,713.97 = 1,469.14/x
  3. Step 3: Cross multiply
    3,811.12x = 5,713.97 × 1,469.14
  4. Step 4: Simplify right side
    3,811.12x = 8,394,621.89
  5. Step 5: Solve for x
    x = 8,394,621.89/3,811.12
  6. Step 6: Final answer
    x = 2,202.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.