Home / 3,630.22-5,450.79-2,071.98

Finding the Fourth Proportional to 3,630.22, 5,450.79 and 2,071.98

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Solution

The fourth proportional to 3,630.22, 5,450.79 and 2,071.98 is: 3,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.22 : 5,450.79 = 2,071.98 : x
  2. Step 2: Convert to fraction form
    3,630.22/5,450.79 = 2,071.98/x
  3. Step 3: Cross multiply
    3,630.22x = 5,450.79 × 2,071.98
  4. Step 4: Simplify right side
    3,630.22x = 11,293,935.63
  5. Step 5: Solve for x
    x = 11,293,935.63/3,630.22
  6. Step 6: Final answer
    x = 3,111.09

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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.