Home / 4,093.12-5,644.14-2,678.02

Finding the Fourth Proportional to 4,093.12, 5,644.14 and 2,678.02

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Solution

The fourth proportional to 4,093.12, 5,644.14 and 2,678.02 is: 3,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.12 : 5,644.14 = 2,678.02 : x
  2. Step 2: Convert to fraction form
    4,093.12/5,644.14 = 2,678.02/x
  3. Step 3: Cross multiply
    4,093.12x = 5,644.14 × 2,678.02
  4. Step 4: Simplify right side
    4,093.12x = 15,115,119.80
  5. Step 5: Solve for x
    x = 15,115,119.80/4,093.12
  6. Step 6: Final answer
    x = 3,692.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.