Home / 5,719.10-7,892.32-3,201.44

Finding the Fourth Proportional to 5,719.10, 7,892.32 and 3,201.44

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Solution

The fourth proportional to 5,719.10, 7,892.32 and 3,201.44 is: 4,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.10 : 7,892.32 = 3,201.44 : x
  2. Step 2: Convert to fraction form
    5,719.10/7,892.32 = 3,201.44/x
  3. Step 3: Cross multiply
    5,719.10x = 7,892.32 × 3,201.44
  4. Step 4: Simplify right side
    5,719.10x = 25,266,788.94
  5. Step 5: Solve for x
    x = 25,266,788.94/5,719.10
  6. Step 6: Final answer
    x = 4,417.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.