Home / 2,946.12-4,067.66-2,696.48

Finding the Fourth Proportional to 2,946.12, 4,067.66 and 2,696.48

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Solution

The fourth proportional to 2,946.12, 4,067.66 and 2,696.48 is: 3,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.12 : 4,067.66 = 2,696.48 : x
  2. Step 2: Convert to fraction form
    2,946.12/4,067.66 = 2,696.48/x
  3. Step 3: Cross multiply
    2,946.12x = 4,067.66 × 2,696.48
  4. Step 4: Simplify right side
    2,946.12x = 10,968,363.84
  5. Step 5: Solve for x
    x = 10,968,363.84/2,946.12
  6. Step 6: Final answer
    x = 3,722.99

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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.