Home / 5,795.50-7,997.71-3,142.85

Finding the Fourth Proportional to 5,795.50, 7,997.71 and 3,142.85

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Solution

The fourth proportional to 5,795.50, 7,997.71 and 3,142.85 is: 4,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.50 : 7,997.71 = 3,142.85 : x
  2. Step 2: Convert to fraction form
    5,795.50/7,997.71 = 3,142.85/x
  3. Step 3: Cross multiply
    5,795.50x = 7,997.71 × 3,142.85
  4. Step 4: Simplify right side
    5,795.50x = 25,135,615.01
  5. Step 5: Solve for x
    x = 25,135,615.01/5,795.50
  6. Step 6: Final answer
    x = 4,337.09

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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.