Home / 3,467.26-4,786.78-2,291.74

Finding the Fourth Proportional to 3,467.26, 4,786.78 and 2,291.74

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Solution

The fourth proportional to 3,467.26, 4,786.78 and 2,291.74 is: 3,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.26 : 4,786.78 = 2,291.74 : x
  2. Step 2: Convert to fraction form
    3,467.26/4,786.78 = 2,291.74/x
  3. Step 3: Cross multiply
    3,467.26x = 4,786.78 × 2,291.74
  4. Step 4: Simplify right side
    3,467.26x = 10,970,055.20
  5. Step 5: Solve for x
    x = 10,970,055.20/3,467.26
  6. Step 6: Final answer
    x = 3,163.90

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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.