Home / 3,192.64-4,404.15-2,170.22

Finding the Fourth Proportional to 3,192.64, 4,404.15 and 2,170.22

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Solution

The fourth proportional to 3,192.64, 4,404.15 and 2,170.22 is: 2,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.64 : 4,404.15 = 2,170.22 : x
  2. Step 2: Convert to fraction form
    3,192.64/4,404.15 = 2,170.22/x
  3. Step 3: Cross multiply
    3,192.64x = 4,404.15 × 2,170.22
  4. Step 4: Simplify right side
    3,192.64x = 9,557,958.68
  5. Step 5: Solve for x
    x = 9,557,958.68/3,192.64
  6. Step 6: Final answer
    x = 2,993.75

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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.