Home / 4,921.11-7,374.38-1,997.01

Finding the Fourth Proportional to 4,921.11, 7,374.38 and 1,997.01

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Solution

The fourth proportional to 4,921.11, 7,374.38 and 1,997.01 is: 2,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.11 : 7,374.38 = 1,997.01 : x
  2. Step 2: Convert to fraction form
    4,921.11/7,374.38 = 1,997.01/x
  3. Step 3: Cross multiply
    4,921.11x = 7,374.38 × 1,997.01
  4. Step 4: Simplify right side
    4,921.11x = 14,726,700.62
  5. Step 5: Solve for x
    x = 14,726,700.62/4,921.11
  6. Step 6: Final answer
    x = 2,992.56

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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.