Home / 2,767.91-3,823.45-2,212.27

Finding the Fourth Proportional to 2,767.91, 3,823.45 and 2,212.27

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Solution

The fourth proportional to 2,767.91, 3,823.45 and 2,212.27 is: 3,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.91 : 3,823.45 = 2,212.27 : x
  2. Step 2: Convert to fraction form
    2,767.91/3,823.45 = 2,212.27/x
  3. Step 3: Cross multiply
    2,767.91x = 3,823.45 × 2,212.27
  4. Step 4: Simplify right side
    2,767.91x = 8,458,488.64
  5. Step 5: Solve for x
    x = 8,458,488.64/2,767.91
  6. Step 6: Final answer
    x = 3,055.92

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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.