Home / 1,724.92-2,380.57-1,016.98

Finding the Fourth Proportional to 1,724.92, 2,380.57 and 1,016.98

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Solution

The fourth proportional to 1,724.92, 2,380.57 and 1,016.98 is: 1,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.92 : 2,380.57 = 1,016.98 : x
  2. Step 2: Convert to fraction form
    1,724.92/2,380.57 = 1,016.98/x
  3. Step 3: Cross multiply
    1,724.92x = 2,380.57 × 1,016.98
  4. Step 4: Simplify right side
    1,724.92x = 2,420,986.99
  5. Step 5: Solve for x
    x = 2,420,986.99/1,724.92
  6. Step 6: Final answer
    x = 1,403.54

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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.