Home / 5,108.22-7,676.91-2,512.98

Finding the Fourth Proportional to 5,108.22, 7,676.91 and 2,512.98

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Solution

The fourth proportional to 5,108.22, 7,676.91 and 2,512.98 is: 3,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.22 : 7,676.91 = 2,512.98 : x
  2. Step 2: Convert to fraction form
    5,108.22/7,676.91 = 2,512.98/x
  3. Step 3: Cross multiply
    5,108.22x = 7,676.91 × 2,512.98
  4. Step 4: Simplify right side
    5,108.22x = 19,291,921.29
  5. Step 5: Solve for x
    x = 19,291,921.29/5,108.22
  6. Step 6: Final answer
    x = 3,776.64

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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.