Home / 5,192.98-7,790.15-1,906.11

Finding the Fourth Proportional to 5,192.98, 7,790.15 and 1,906.11

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Solution

The fourth proportional to 5,192.98, 7,790.15 and 1,906.11 is: 2,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.98 : 7,790.15 = 1,906.11 : x
  2. Step 2: Convert to fraction form
    5,192.98/7,790.15 = 1,906.11/x
  3. Step 3: Cross multiply
    5,192.98x = 7,790.15 × 1,906.11
  4. Step 4: Simplify right side
    5,192.98x = 14,848,887.58
  5. Step 5: Solve for x
    x = 14,848,887.58/5,192.98
  6. Step 6: Final answer
    x = 2,859.42

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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.