Home / 4,949.22-7,424.82-1,618.41

Finding the Fourth Proportional to 4,949.22, 7,424.82 and 1,618.41

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Solution

The fourth proportional to 4,949.22, 7,424.82 and 1,618.41 is: 2,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.22 : 7,424.82 = 1,618.41 : x
  2. Step 2: Convert to fraction form
    4,949.22/7,424.82 = 1,618.41/x
  3. Step 3: Cross multiply
    4,949.22x = 7,424.82 × 1,618.41
  4. Step 4: Simplify right side
    4,949.22x = 12,016,402.94
  5. Step 5: Solve for x
    x = 12,016,402.94/4,949.22
  6. Step 6: Final answer
    x = 2,427.94

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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.