Home / 3,167.22-4,369.88-2,048.20

Finding the Fourth Proportional to 3,167.22, 4,369.88 and 2,048.20

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Solution

The fourth proportional to 3,167.22, 4,369.88 and 2,048.20 is: 2,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.22 : 4,369.88 = 2,048.20 : x
  2. Step 2: Convert to fraction form
    3,167.22/4,369.88 = 2,048.20/x
  3. Step 3: Cross multiply
    3,167.22x = 4,369.88 × 2,048.20
  4. Step 4: Simplify right side
    3,167.22x = 8,950,388.22
  5. Step 5: Solve for x
    x = 8,950,388.22/3,167.22
  6. Step 6: Final answer
    x = 2,825.94

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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.