Home / 7,157.76-10,737.92-2,775.36

Finding the Fourth Proportional to 7,157.76, 10,737.92 and 2,775.36

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Solution

The fourth proportional to 7,157.76, 10,737.92 and 2,775.36 is: 4,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.76 : 10,737.92 = 2,775.36 : x
  2. Step 2: Convert to fraction form
    7,157.76/10,737.92 = 2,775.36/x
  3. Step 3: Cross multiply
    7,157.76x = 10,737.92 × 2,775.36
  4. Step 4: Simplify right side
    7,157.76x = 29,801,593.65
  5. Step 5: Solve for x
    x = 29,801,593.65/7,157.76
  6. Step 6: Final answer
    x = 4,163.54

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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.