Home / 3,022.28-4,170.82-1,696.08

Finding the Fourth Proportional to 3,022.28, 4,170.82 and 1,696.08

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Solution

The fourth proportional to 3,022.28, 4,170.82 and 1,696.08 is: 2,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.28 : 4,170.82 = 1,696.08 : x
  2. Step 2: Convert to fraction form
    3,022.28/4,170.82 = 1,696.08/x
  3. Step 3: Cross multiply
    3,022.28x = 4,170.82 × 1,696.08
  4. Step 4: Simplify right side
    3,022.28x = 7,074,058.97
  5. Step 5: Solve for x
    x = 7,074,058.97/3,022.28
  6. Step 6: Final answer
    x = 2,340.64

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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.