Home / 5,243.68-7,235.28-3,147.04

Finding the Fourth Proportional to 5,243.68, 7,235.28 and 3,147.04

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Solution

The fourth proportional to 5,243.68, 7,235.28 and 3,147.04 is: 4,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.68 : 7,235.28 = 3,147.04 : x
  2. Step 2: Convert to fraction form
    5,243.68/7,235.28 = 3,147.04/x
  3. Step 3: Cross multiply
    5,243.68x = 7,235.28 × 3,147.04
  4. Step 4: Simplify right side
    5,243.68x = 22,769,715.57
  5. Step 5: Solve for x
    x = 22,769,715.57/5,243.68
  6. Step 6: Final answer
    x = 4,342.32

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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.