Home / 5,736.09-7,912.87-3,747.81

Finding the Fourth Proportional to 5,736.09, 7,912.87 and 3,747.81

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Solution

The fourth proportional to 5,736.09, 7,912.87 and 3,747.81 is: 5,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.09 : 7,912.87 = 3,747.81 : x
  2. Step 2: Convert to fraction form
    5,736.09/7,912.87 = 3,747.81/x
  3. Step 3: Cross multiply
    5,736.09x = 7,912.87 × 3,747.81
  4. Step 4: Simplify right side
    5,736.09x = 29,655,933.31
  5. Step 5: Solve for x
    x = 29,655,933.31/5,736.09
  6. Step 6: Final answer
    x = 5,170.06

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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.