Home / 5,426.80-8,139.84-2,464.54

Finding the Fourth Proportional to 5,426.80, 8,139.84 and 2,464.54

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Solution

The fourth proportional to 5,426.80, 8,139.84 and 2,464.54 is: 3,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.80 : 8,139.84 = 2,464.54 : x
  2. Step 2: Convert to fraction form
    5,426.80/8,139.84 = 2,464.54/x
  3. Step 3: Cross multiply
    5,426.80x = 8,139.84 × 2,464.54
  4. Step 4: Simplify right side
    5,426.80x = 20,060,961.27
  5. Step 5: Solve for x
    x = 20,060,961.27/5,426.80
  6. Step 6: Final answer
    x = 3,696.65

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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.