Home / 4,738.72-7,120.68-2,549.04

Finding the Fourth Proportional to 4,738.72, 7,120.68 and 2,549.04

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Solution

The fourth proportional to 4,738.72, 7,120.68 and 2,549.04 is: 3,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.72 : 7,120.68 = 2,549.04 : x
  2. Step 2: Convert to fraction form
    4,738.72/7,120.68 = 2,549.04/x
  3. Step 3: Cross multiply
    4,738.72x = 7,120.68 × 2,549.04
  4. Step 4: Simplify right side
    4,738.72x = 18,150,898.15
  5. Step 5: Solve for x
    x = 18,150,898.15/4,738.72
  6. Step 6: Final answer
    x = 3,830.34

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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.