Home / 3,422.36-4,722.22-2,005.98

Finding the Fourth Proportional to 3,422.36, 4,722.22 and 2,005.98

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Solution

The fourth proportional to 3,422.36, 4,722.22 and 2,005.98 is: 2,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.36 : 4,722.22 = 2,005.98 : x
  2. Step 2: Convert to fraction form
    3,422.36/4,722.22 = 2,005.98/x
  3. Step 3: Cross multiply
    3,422.36x = 4,722.22 × 2,005.98
  4. Step 4: Simplify right side
    3,422.36x = 9,472,678.88
  5. Step 5: Solve for x
    x = 9,472,678.88/3,422.36
  6. Step 6: Final answer
    x = 2,767.88

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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.