Home / 3,369.13-4,649.40-2,192.20

Finding the Fourth Proportional to 3,369.13, 4,649.40 and 2,192.20

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Solution

The fourth proportional to 3,369.13, 4,649.40 and 2,192.20 is: 3,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.13 : 4,649.40 = 2,192.20 : x
  2. Step 2: Convert to fraction form
    3,369.13/4,649.40 = 2,192.20/x
  3. Step 3: Cross multiply
    3,369.13x = 4,649.40 × 2,192.20
  4. Step 4: Simplify right side
    3,369.13x = 10,192,391.43
  5. Step 5: Solve for x
    x = 10,192,391.43/3,369.13
  6. Step 6: Final answer
    x = 3,025.23

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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.