Home / 1,851.58-2,781.87-1,193.77

Finding the Fourth Proportional to 1,851.58, 2,781.87 and 1,193.77

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Solution

The fourth proportional to 1,851.58, 2,781.87 and 1,193.77 is: 1,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.58 : 2,781.87 = 1,193.77 : x
  2. Step 2: Convert to fraction form
    1,851.58/2,781.87 = 1,193.77/x
  3. Step 3: Cross multiply
    1,851.58x = 2,781.87 × 1,193.77
  4. Step 4: Simplify right side
    1,851.58x = 3,320,906.98
  5. Step 5: Solve for x
    x = 3,320,906.98/1,851.58
  6. Step 6: Final answer
    x = 1,793.56

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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.