Home / 3,183.89-4,394.29-1,768.03

Finding the Fourth Proportional to 3,183.89, 4,394.29 and 1,768.03

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Solution

The fourth proportional to 3,183.89, 4,394.29 and 1,768.03 is: 2,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.89 : 4,394.29 = 1,768.03 : x
  2. Step 2: Convert to fraction form
    3,183.89/4,394.29 = 1,768.03/x
  3. Step 3: Cross multiply
    3,183.89x = 4,394.29 × 1,768.03
  4. Step 4: Simplify right side
    3,183.89x = 7,769,221.14
  5. Step 5: Solve for x
    x = 7,769,221.14/3,183.89
  6. Step 6: Final answer
    x = 2,440.17

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1.5x scale

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.