Home / 3,022.35-4,170.82-1,696.05

Finding the Fourth Proportional to 3,022.35, 4,170.82 and 1,696.05

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Solution

The fourth proportional to 3,022.35, 4,170.82 and 1,696.05 is: 2,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.35 : 4,170.82 = 1,696.05 : x
  2. Step 2: Convert to fraction form
    3,022.35/4,170.82 = 1,696.05/x
  3. Step 3: Cross multiply
    3,022.35x = 4,170.82 × 1,696.05
  4. Step 4: Simplify right side
    3,022.35x = 7,073,919.26
  5. Step 5: Solve for x
    x = 7,073,919.26/3,022.35
  6. Step 6: Final answer
    x = 2,340.54

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Half scale
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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.