Home / 3,169.42-4,369.16-2,222.35

Finding the Fourth Proportional to 3,169.42, 4,369.16 and 2,222.35

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Solution

The fourth proportional to 3,169.42, 4,369.16 and 2,222.35 is: 3,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.42 : 4,369.16 = 2,222.35 : x
  2. Step 2: Convert to fraction form
    3,169.42/4,369.16 = 2,222.35/x
  3. Step 3: Cross multiply
    3,169.42x = 4,369.16 × 2,222.35
  4. Step 4: Simplify right side
    3,169.42x = 9,709,797.08
  5. Step 5: Solve for x
    x = 9,709,797.08/3,169.42
  6. Step 6: Final answer
    x = 3,063.59

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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.