Home / 5,176.24-7,771.62-4,942.96

Finding the Fourth Proportional to 5,176.24, 7,771.62 and 4,942.96

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Solution

The fourth proportional to 5,176.24, 7,771.62 and 4,942.96 is: 7,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.24 : 7,771.62 = 4,942.96 : x
  2. Step 2: Convert to fraction form
    5,176.24/7,771.62 = 4,942.96/x
  3. Step 3: Cross multiply
    5,176.24x = 7,771.62 × 4,942.96
  4. Step 4: Simplify right side
    5,176.24x = 38,414,806.80
  5. Step 5: Solve for x
    x = 38,414,806.80/5,176.24
  6. Step 6: Final answer
    x = 7,421.37

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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.