Home / 5,120.46-7,676.03-2,003.18

Finding the Fourth Proportional to 5,120.46, 7,676.03 and 2,003.18

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Solution

The fourth proportional to 5,120.46, 7,676.03 and 2,003.18 is: 3,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.46 : 7,676.03 = 2,003.18 : x
  2. Step 2: Convert to fraction form
    5,120.46/7,676.03 = 2,003.18/x
  3. Step 3: Cross multiply
    5,120.46x = 7,676.03 × 2,003.18
  4. Step 4: Simplify right side
    5,120.46x = 15,376,436.40
  5. Step 5: Solve for x
    x = 15,376,436.40/5,120.46
  6. Step 6: Final answer
    x = 3,002.94

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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.