Home / 5,200.24-7,176.31-2,842.38

Finding the Fourth Proportional to 5,200.24, 7,176.31 and 2,842.38

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Solution

The fourth proportional to 5,200.24, 7,176.31 and 2,842.38 is: 3,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.24 : 7,176.31 = 2,842.38 : x
  2. Step 2: Convert to fraction form
    5,200.24/7,176.31 = 2,842.38/x
  3. Step 3: Cross multiply
    5,200.24x = 7,176.31 × 2,842.38
  4. Step 4: Simplify right side
    5,200.24x = 20,397,800.02
  5. Step 5: Solve for x
    x = 20,397,800.02/5,200.24
  6. Step 6: Final answer
    x = 3,922.47

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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.