Home / 5,141.88-7,707.96-3,849.12

Finding the Fourth Proportional to 5,141.88, 7,707.96 and 3,849.12

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Solution

The fourth proportional to 5,141.88, 7,707.96 and 3,849.12 is: 5,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.88 : 7,707.96 = 3,849.12 : x
  2. Step 2: Convert to fraction form
    5,141.88/7,707.96 = 3,849.12/x
  3. Step 3: Cross multiply
    5,141.88x = 7,707.96 × 3,849.12
  4. Step 4: Simplify right side
    5,141.88x = 29,668,863.00
  5. Step 5: Solve for x
    x = 29,668,863.00/5,141.88
  6. Step 6: Final answer
    x = 5,770.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.