Home / 2,517.24-3,771.54-1,998.84

Finding the Fourth Proportional to 2,517.24, 3,771.54 and 1,998.84

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Solution

The fourth proportional to 2,517.24, 3,771.54 and 1,998.84 is: 2,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.24 : 3,771.54 = 1,998.84 : x
  2. Step 2: Convert to fraction form
    2,517.24/3,771.54 = 1,998.84/x
  3. Step 3: Cross multiply
    2,517.24x = 3,771.54 × 1,998.84
  4. Step 4: Simplify right side
    2,517.24x = 7,538,705.01
  5. Step 5: Solve for x
    x = 7,538,705.01/2,517.24
  6. Step 6: Final answer
    x = 2,994.83

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1.5x scale

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.