Home / 5,185.38-7,775.28-2,063.28

Finding the Fourth Proportional to 5,185.38, 7,775.28 and 2,063.28

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Solution

The fourth proportional to 5,185.38, 7,775.28 and 2,063.28 is: 3,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.38 : 7,775.28 = 2,063.28 : x
  2. Step 2: Convert to fraction form
    5,185.38/7,775.28 = 2,063.28/x
  3. Step 3: Cross multiply
    5,185.38x = 7,775.28 × 2,063.28
  4. Step 4: Simplify right side
    5,185.38x = 16,042,579.72
  5. Step 5: Solve for x
    x = 16,042,579.72/5,185.38
  6. Step 6: Final answer
    x = 3,093.81

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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.