Home / 3,968.56-5,941.75-2,578.41

Finding the Fourth Proportional to 3,968.56, 5,941.75 and 2,578.41

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Solution

The fourth proportional to 3,968.56, 5,941.75 and 2,578.41 is: 3,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.56 : 5,941.75 = 2,578.41 : x
  2. Step 2: Convert to fraction form
    3,968.56/5,941.75 = 2,578.41/x
  3. Step 3: Cross multiply
    3,968.56x = 5,941.75 × 2,578.41
  4. Step 4: Simplify right side
    3,968.56x = 15,320,267.62
  5. Step 5: Solve for x
    x = 15,320,267.62/3,968.56
  6. Step 6: Final answer
    x = 3,860.41

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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.