Home / 5,382.41-8,070.88-2,747.08

Finding the Fourth Proportional to 5,382.41, 8,070.88 and 2,747.08

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Solution

The fourth proportional to 5,382.41, 8,070.88 and 2,747.08 is: 4,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.41 : 8,070.88 = 2,747.08 : x
  2. Step 2: Convert to fraction form
    5,382.41/8,070.88 = 2,747.08/x
  3. Step 3: Cross multiply
    5,382.41x = 8,070.88 × 2,747.08
  4. Step 4: Simplify right side
    5,382.41x = 22,171,353.03
  5. Step 5: Solve for x
    x = 22,171,353.03/5,382.41
  6. Step 6: Final answer
    x = 4,119.22

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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.