Home / 7,076.05-10,615.85-2,691.11

Finding the Fourth Proportional to 7,076.05, 10,615.85 and 2,691.11

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Solution

The fourth proportional to 7,076.05, 10,615.85 and 2,691.11 is: 4,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.05 : 10,615.85 = 2,691.11 : x
  2. Step 2: Convert to fraction form
    7,076.05/10,615.85 = 2,691.11/x
  3. Step 3: Cross multiply
    7,076.05x = 10,615.85 × 2,691.11
  4. Step 4: Simplify right side
    7,076.05x = 28,568,420.09
  5. Step 5: Solve for x
    x = 28,568,420.09/7,076.05
  6. Step 6: Final answer
    x = 4,037.34

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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.