Home / 3,415.38-4,714.65-2,222.07

Finding the Fourth Proportional to 3,415.38, 4,714.65 and 2,222.07

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Solution

The fourth proportional to 3,415.38, 4,714.65 and 2,222.07 is: 3,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.38 : 4,714.65 = 2,222.07 : x
  2. Step 2: Convert to fraction form
    3,415.38/4,714.65 = 2,222.07/x
  3. Step 3: Cross multiply
    3,415.38x = 4,714.65 × 2,222.07
  4. Step 4: Simplify right side
    3,415.38x = 10,476,282.33
  5. Step 5: Solve for x
    x = 10,476,282.33/3,415.38
  6. Step 6: Final answer
    x = 3,067.38

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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.