Home / 2,227.08-3,341.26-667.20

Finding the Fourth Proportional to 2,227.08, 3,341.26 and 667.20

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Solution

The fourth proportional to 2,227.08, 3,341.26 and 667.20 is: 1,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.08 : 3,341.26 = 667.20 : x
  2. Step 2: Convert to fraction form
    2,227.08/3,341.26 = 667.20/x
  3. Step 3: Cross multiply
    2,227.08x = 3,341.26 × 667.20
  4. Step 4: Simplify right side
    2,227.08x = 2,229,288.67
  5. Step 5: Solve for x
    x = 2,229,288.67/2,227.08
  6. Step 6: Final answer
    x = 1,000.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.