Home / 3,221.46-4,448.52-2,434.14

Finding the Fourth Proportional to 3,221.46, 4,448.52 and 2,434.14

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Solution

The fourth proportional to 3,221.46, 4,448.52 and 2,434.14 is: 3,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.46 : 4,448.52 = 2,434.14 : x
  2. Step 2: Convert to fraction form
    3,221.46/4,448.52 = 2,434.14/x
  3. Step 3: Cross multiply
    3,221.46x = 4,448.52 × 2,434.14
  4. Step 4: Simplify right side
    3,221.46x = 10,828,320.47
  5. Step 5: Solve for x
    x = 10,828,320.47/3,221.46
  6. Step 6: Final answer
    x = 3,361.31

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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.