Home / 5,608.19-7,731-3,591.38

Finding the Fourth Proportional to 5,608.19, 7,731 and 3,591.38

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Solution

The fourth proportional to 5,608.19, 7,731 and 3,591.38 is: 4,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.19 : 7,731 = 3,591.38 : x
  2. Step 2: Convert to fraction form
    5,608.19/7,731 = 3,591.38/x
  3. Step 3: Cross multiply
    5,608.19x = 7,731 × 3,591.38
  4. Step 4: Simplify right side
    5,608.19x = 27,764,958.78
  5. Step 5: Solve for x
    x = 27,764,958.78/5,608.19
  6. Step 6: Final answer
    x = 4,950.79

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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.