Home / 1,441.12-1,984.55-1,251.97

Finding the Fourth Proportional to 1,441.12, 1,984.55 and 1,251.97

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Solution

The fourth proportional to 1,441.12, 1,984.55 and 1,251.97 is: 1,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.12 : 1,984.55 = 1,251.97 : x
  2. Step 2: Convert to fraction form
    1,441.12/1,984.55 = 1,251.97/x
  3. Step 3: Cross multiply
    1,441.12x = 1,984.55 × 1,251.97
  4. Step 4: Simplify right side
    1,441.12x = 2,484,605.15
  5. Step 5: Solve for x
    x = 2,484,605.15/1,441.12
  6. Step 6: Final answer
    x = 1,724.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.