Home / 5,719.14-7,890.62-3,200.85

Finding the Fourth Proportional to 5,719.14, 7,890.62 and 3,200.85

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Solution

The fourth proportional to 5,719.14, 7,890.62 and 3,200.85 is: 4,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.14 : 7,890.62 = 3,200.85 : x
  2. Step 2: Convert to fraction form
    5,719.14/7,890.62 = 3,200.85/x
  3. Step 3: Cross multiply
    5,719.14x = 7,890.62 × 3,200.85
  4. Step 4: Simplify right side
    5,719.14x = 25,256,675.02
  5. Step 5: Solve for x
    x = 25,256,675.02/5,719.14
  6. Step 6: Final answer
    x = 4,416.17

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