Home / 3,198.03-4,408.17-2,133.69

Finding the Fourth Proportional to 3,198.03, 4,408.17 and 2,133.69

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Solution

The fourth proportional to 3,198.03, 4,408.17 and 2,133.69 is: 2,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.03 : 4,408.17 = 2,133.69 : x
  2. Step 2: Convert to fraction form
    3,198.03/4,408.17 = 2,133.69/x
  3. Step 3: Cross multiply
    3,198.03x = 4,408.17 × 2,133.69
  4. Step 4: Simplify right side
    3,198.03x = 9,405,680.51
  5. Step 5: Solve for x
    x = 9,405,680.51/3,198.03
  6. Step 6: Final answer
    x = 2,941.08

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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.