Home / 5,716.44-7,882.20-3,723.84

Finding the Fourth Proportional to 5,716.44, 7,882.20 and 3,723.84

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Solution

The fourth proportional to 5,716.44, 7,882.20 and 3,723.84 is: 5,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.44 : 7,882.20 = 3,723.84 : x
  2. Step 2: Convert to fraction form
    5,716.44/7,882.20 = 3,723.84/x
  3. Step 3: Cross multiply
    5,716.44x = 7,882.20 × 3,723.84
  4. Step 4: Simplify right side
    5,716.44x = 29,352,051.65
  5. Step 5: Solve for x
    x = 29,352,051.65/5,716.44
  6. Step 6: Final answer
    x = 5,134.67

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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.