Home / 5,418.62-8,133.60-2,958.38

Finding the Fourth Proportional to 5,418.62, 8,133.60 and 2,958.38

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Solution

The fourth proportional to 5,418.62, 8,133.60 and 2,958.38 is: 4,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.62 : 8,133.60 = 2,958.38 : x
  2. Step 2: Convert to fraction form
    5,418.62/8,133.60 = 2,958.38/x
  3. Step 3: Cross multiply
    5,418.62x = 8,133.60 × 2,958.38
  4. Step 4: Simplify right side
    5,418.62x = 24,062,279.57
  5. Step 5: Solve for x
    x = 24,062,279.57/5,418.62
  6. Step 6: Final answer
    x = 4,440.67

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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.