Home / 3,057.11-4,220.81-1,924.43

Finding the Fourth Proportional to 3,057.11, 4,220.81 and 1,924.43

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Solution

The fourth proportional to 3,057.11, 4,220.81 and 1,924.43 is: 2,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.11 : 4,220.81 = 1,924.43 : x
  2. Step 2: Convert to fraction form
    3,057.11/4,220.81 = 1,924.43/x
  3. Step 3: Cross multiply
    3,057.11x = 4,220.81 × 1,924.43
  4. Step 4: Simplify right side
    3,057.11x = 8,122,629.88
  5. Step 5: Solve for x
    x = 8,122,629.88/3,057.11
  6. Step 6: Final answer
    x = 2,656.96

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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.