Home / 5,356.80-8,020.62-2,754.27

Finding the Fourth Proportional to 5,356.80, 8,020.62 and 2,754.27

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Solution

The fourth proportional to 5,356.80, 8,020.62 and 2,754.27 is: 4,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.80 : 8,020.62 = 2,754.27 : x
  2. Step 2: Convert to fraction form
    5,356.80/8,020.62 = 2,754.27/x
  3. Step 3: Cross multiply
    5,356.80x = 8,020.62 × 2,754.27
  4. Step 4: Simplify right side
    5,356.80x = 22,090,953.05
  5. Step 5: Solve for x
    x = 22,090,953.05/5,356.80
  6. Step 6: Final answer
    x = 4,123.91

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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.