Home / 4,936.10-7,396.68-2,161.22

Finding the Fourth Proportional to 4,936.10, 7,396.68 and 2,161.22

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Solution

The fourth proportional to 4,936.10, 7,396.68 and 2,161.22 is: 3,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.10 : 7,396.68 = 2,161.22 : x
  2. Step 2: Convert to fraction form
    4,936.10/7,396.68 = 2,161.22/x
  3. Step 3: Cross multiply
    4,936.10x = 7,396.68 × 2,161.22
  4. Step 4: Simplify right side
    4,936.10x = 15,985,852.75
  5. Step 5: Solve for x
    x = 15,985,852.75/4,936.10
  6. Step 6: Final answer
    x = 3,238.56

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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.