Home / 5,427.27-8,139.99-2,464.80

Finding the Fourth Proportional to 5,427.27, 8,139.99 and 2,464.80

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Solution

The fourth proportional to 5,427.27, 8,139.99 and 2,464.80 is: 3,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.27 : 8,139.99 = 2,464.80 : x
  2. Step 2: Convert to fraction form
    5,427.27/8,139.99 = 2,464.80/x
  3. Step 3: Cross multiply
    5,427.27x = 8,139.99 × 2,464.80
  4. Step 4: Simplify right side
    5,427.27x = 20,063,426.07
  5. Step 5: Solve for x
    x = 20,063,426.07/5,427.27
  6. Step 6: Final answer
    x = 3,696.78

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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.