Home / 3,222.34-4,448.19-2,175.82

Finding the Fourth Proportional to 3,222.34, 4,448.19 and 2,175.82

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Solution

The fourth proportional to 3,222.34, 4,448.19 and 2,175.82 is: 3,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.34 : 4,448.19 = 2,175.82 : x
  2. Step 2: Convert to fraction form
    3,222.34/4,448.19 = 2,175.82/x
  3. Step 3: Cross multiply
    3,222.34x = 4,448.19 × 2,175.82
  4. Step 4: Simplify right side
    3,222.34x = 9,678,460.77
  5. Step 5: Solve for x
    x = 9,678,460.77/3,222.34
  6. Step 6: Final answer
    x = 3,003.55

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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.