Home / 5,092.78-7,642.56-2,093.28

Finding the Fourth Proportional to 5,092.78, 7,642.56 and 2,093.28

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Solution

The fourth proportional to 5,092.78, 7,642.56 and 2,093.28 is: 3,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.78 : 7,642.56 = 2,093.28 : x
  2. Step 2: Convert to fraction form
    5,092.78/7,642.56 = 2,093.28/x
  3. Step 3: Cross multiply
    5,092.78x = 7,642.56 × 2,093.28
  4. Step 4: Simplify right side
    5,092.78x = 15,998,023.23
  5. Step 5: Solve for x
    x = 15,998,023.23/5,092.78
  6. Step 6: Final answer
    x = 3,141.31

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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.