Home / 3,103.73-4,282.98-1,777.43

Finding the Fourth Proportional to 3,103.73, 4,282.98 and 1,777.43

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Solution

The fourth proportional to 3,103.73, 4,282.98 and 1,777.43 is: 2,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.73 : 4,282.98 = 1,777.43 : x
  2. Step 2: Convert to fraction form
    3,103.73/4,282.98 = 1,777.43/x
  3. Step 3: Cross multiply
    3,103.73x = 4,282.98 × 1,777.43
  4. Step 4: Simplify right side
    3,103.73x = 7,612,697.14
  5. Step 5: Solve for x
    x = 7,612,697.14/3,103.73
  6. Step 6: Final answer
    x = 2,452.76

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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.