Home / 7,150.28-10,725.96-2,767.38

Finding the Fourth Proportional to 7,150.28, 10,725.96 and 2,767.38

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Solution

The fourth proportional to 7,150.28, 10,725.96 and 2,767.38 is: 4,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.28 : 10,725.96 = 2,767.38 : x
  2. Step 2: Convert to fraction form
    7,150.28/10,725.96 = 2,767.38/x
  3. Step 3: Cross multiply
    7,150.28x = 10,725.96 × 2,767.38
  4. Step 4: Simplify right side
    7,150.28x = 29,682,807.18
  5. Step 5: Solve for x
    x = 29,682,807.18/7,150.28
  6. Step 6: Final answer
    x = 4,151.28

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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.