Home / 3,022.18-4,170.75-1,696.30

Finding the Fourth Proportional to 3,022.18, 4,170.75 and 1,696.30

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Solution

The fourth proportional to 3,022.18, 4,170.75 and 1,696.30 is: 2,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.18 : 4,170.75 = 1,696.30 : x
  2. Step 2: Convert to fraction form
    3,022.18/4,170.75 = 1,696.30/x
  3. Step 3: Cross multiply
    3,022.18x = 4,170.75 × 1,696.30
  4. Step 4: Simplify right side
    3,022.18x = 7,074,843.23
  5. Step 5: Solve for x
    x = 7,074,843.23/3,022.18
  6. Step 6: Final answer
    x = 2,340.97

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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.