Home / 5,247.19-7,871.94-2,286.11

Finding the Fourth Proportional to 5,247.19, 7,871.94 and 2,286.11

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Solution

The fourth proportional to 5,247.19, 7,871.94 and 2,286.11 is: 3,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.19 : 7,871.94 = 2,286.11 : x
  2. Step 2: Convert to fraction form
    5,247.19/7,871.94 = 2,286.11/x
  3. Step 3: Cross multiply
    5,247.19x = 7,871.94 × 2,286.11
  4. Step 4: Simplify right side
    5,247.19x = 17,996,120.75
  5. Step 5: Solve for x
    x = 17,996,120.75/5,247.19
  6. Step 6: Final answer
    x = 3,429.67

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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.