Home / 5,729.13-8,576.66-5,127.76

Finding the Fourth Proportional to 5,729.13, 8,576.66 and 5,127.76

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Solution

The fourth proportional to 5,729.13, 8,576.66 and 5,127.76 is: 7,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.13 : 8,576.66 = 5,127.76 : x
  2. Step 2: Convert to fraction form
    5,729.13/8,576.66 = 5,127.76/x
  3. Step 3: Cross multiply
    5,729.13x = 8,576.66 × 5,127.76
  4. Step 4: Simplify right side
    5,729.13x = 43,979,014.96
  5. Step 5: Solve for x
    x = 43,979,014.96/5,729.13
  6. Step 6: Final answer
    x = 7,676.39

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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.