Home / 3,921.94-5,881.99-1,148.03

Finding the Fourth Proportional to 3,921.94, 5,881.99 and 1,148.03

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Solution

The fourth proportional to 3,921.94, 5,881.99 and 1,148.03 is: 1,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.94 : 5,881.99 = 1,148.03 : x
  2. Step 2: Convert to fraction form
    3,921.94/5,881.99 = 1,148.03/x
  3. Step 3: Cross multiply
    3,921.94x = 5,881.99 × 1,148.03
  4. Step 4: Simplify right side
    3,921.94x = 6,752,700.98
  5. Step 5: Solve for x
    x = 6,752,700.98/3,921.94
  6. Step 6: Final answer
    x = 1,721.78

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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.