Home / 4,771.73-7,156.30-1,997.84

Finding the Fourth Proportional to 4,771.73, 7,156.30 and 1,997.84

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Solution

The fourth proportional to 4,771.73, 7,156.30 and 1,997.84 is: 2,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.73 : 7,156.30 = 1,997.84 : x
  2. Step 2: Convert to fraction form
    4,771.73/7,156.30 = 1,997.84/x
  3. Step 3: Cross multiply
    4,771.73x = 7,156.30 × 1,997.84
  4. Step 4: Simplify right side
    4,771.73x = 14,297,142.39
  5. Step 5: Solve for x
    x = 14,297,142.39/4,771.73
  6. Step 6: Final answer
    x = 2,996.22

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1.5x scale

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.