Home / 5,719.78-7,892.33-3,362.37

Finding the Fourth Proportional to 5,719.78, 7,892.33 and 3,362.37

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Solution

The fourth proportional to 5,719.78, 7,892.33 and 3,362.37 is: 4,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.78 : 7,892.33 = 3,362.37 : x
  2. Step 2: Convert to fraction form
    5,719.78/7,892.33 = 3,362.37/x
  3. Step 3: Cross multiply
    5,719.78x = 7,892.33 × 3,362.37
  4. Step 4: Simplify right side
    5,719.78x = 26,536,933.62
  5. Step 5: Solve for x
    x = 26,536,933.62/5,719.78
  6. Step 6: Final answer
    x = 4,639.50

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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.