Home / 3,199.42-4,415.94-2,022.10

Finding the Fourth Proportional to 3,199.42, 4,415.94 and 2,022.10

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Solution

The fourth proportional to 3,199.42, 4,415.94 and 2,022.10 is: 2,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.42 : 4,415.94 = 2,022.10 : x
  2. Step 2: Convert to fraction form
    3,199.42/4,415.94 = 2,022.10/x
  3. Step 3: Cross multiply
    3,199.42x = 4,415.94 × 2,022.10
  4. Step 4: Simplify right side
    3,199.42x = 8,929,472.27
  5. Step 5: Solve for x
    x = 8,929,472.27/3,199.42
  6. Step 6: Final answer
    x = 2,790.97

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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.