Home / 3,777.89-5,213.39-2,205.98

Finding the Fourth Proportional to 3,777.89, 5,213.39 and 2,205.98

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Solution

The fourth proportional to 3,777.89, 5,213.39 and 2,205.98 is: 3,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.89 : 5,213.39 = 2,205.98 : x
  2. Step 2: Convert to fraction form
    3,777.89/5,213.39 = 2,205.98/x
  3. Step 3: Cross multiply
    3,777.89x = 5,213.39 × 2,205.98
  4. Step 4: Simplify right side
    3,777.89x = 11,500,596.98
  5. Step 5: Solve for x
    x = 11,500,596.98/3,777.89
  6. Step 6: Final answer
    x = 3,044.19

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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.