Home / 5,719.25-7,892.49-3,201.32

Finding the Fourth Proportional to 5,719.25, 7,892.49 and 3,201.32

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Solution

The fourth proportional to 5,719.25, 7,892.49 and 3,201.32 is: 4,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.25 : 7,892.49 = 3,201.32 : x
  2. Step 2: Convert to fraction form
    5,719.25/7,892.49 = 3,201.32/x
  3. Step 3: Cross multiply
    5,719.25x = 7,892.49 × 3,201.32
  4. Step 4: Simplify right side
    5,719.25x = 25,266,386.09
  5. Step 5: Solve for x
    x = 25,266,386.09/5,719.25
  6. Step 6: Final answer
    x = 4,417.78

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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.