Home / 5,057.28-7,576.20-2,859.48

Finding the Fourth Proportional to 5,057.28, 7,576.20 and 2,859.48

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Solution

The fourth proportional to 5,057.28, 7,576.20 and 2,859.48 is: 4,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.28 : 7,576.20 = 2,859.48 : x
  2. Step 2: Convert to fraction form
    5,057.28/7,576.20 = 2,859.48/x
  3. Step 3: Cross multiply
    5,057.28x = 7,576.20 × 2,859.48
  4. Step 4: Simplify right side
    5,057.28x = 21,663,992.38
  5. Step 5: Solve for x
    x = 21,663,992.38/5,057.28
  6. Step 6: Final answer
    x = 4,283.72

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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.