Home / 5,310.57-7,960.09-2,671.76

Finding the Fourth Proportional to 5,310.57, 7,960.09 and 2,671.76

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Solution

The fourth proportional to 5,310.57, 7,960.09 and 2,671.76 is: 4,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.57 : 7,960.09 = 2,671.76 : x
  2. Step 2: Convert to fraction form
    5,310.57/7,960.09 = 2,671.76/x
  3. Step 3: Cross multiply
    5,310.57x = 7,960.09 × 2,671.76
  4. Step 4: Simplify right side
    5,310.57x = 21,267,450.06
  5. Step 5: Solve for x
    x = 21,267,450.06/5,310.57
  6. Step 6: Final answer
    x = 4,004.74

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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.