Home / 5,961-8,226.18-3,865.13

Finding the Fourth Proportional to 5,961, 8,226.18 and 3,865.13

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Solution

The fourth proportional to 5,961, 8,226.18 and 3,865.13 is: 5,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961 : 8,226.18 = 3,865.13 : x
  2. Step 2: Convert to fraction form
    5,961/8,226.18 = 3,865.13/x
  3. Step 3: Cross multiply
    5,961x = 8,226.18 × 3,865.13
  4. Step 4: Simplify right side
    5,961x = 31,795,213.97
  5. Step 5: Solve for x
    x = 31,795,213.97/5,961
  6. Step 6: Final answer
    x = 5,333.87

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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.