Home / 3,426.93-5,142.45-1,452.45

Finding the Fourth Proportional to 3,426.93, 5,142.45 and 1,452.45

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Solution

The fourth proportional to 3,426.93, 5,142.45 and 1,452.45 is: 2,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.93 : 5,142.45 = 1,452.45 : x
  2. Step 2: Convert to fraction form
    3,426.93/5,142.45 = 1,452.45/x
  3. Step 3: Cross multiply
    3,426.93x = 5,142.45 × 1,452.45
  4. Step 4: Simplify right side
    3,426.93x = 7,469,176.23
  5. Step 5: Solve for x
    x = 7,469,176.23/3,426.93
  6. Step 6: Final answer
    x = 2,179.55

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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.