Home / 5,382.14-8,069.54-2,743.16

Finding the Fourth Proportional to 5,382.14, 8,069.54 and 2,743.16

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Solution

The fourth proportional to 5,382.14, 8,069.54 and 2,743.16 is: 4,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.14 : 8,069.54 = 2,743.16 : x
  2. Step 2: Convert to fraction form
    5,382.14/8,069.54 = 2,743.16/x
  3. Step 3: Cross multiply
    5,382.14x = 8,069.54 × 2,743.16
  4. Step 4: Simplify right side
    5,382.14x = 22,136,039.35
  5. Step 5: Solve for x
    x = 22,136,039.35/5,382.14
  6. Step 6: Final answer
    x = 4,112.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.