Home / 5,200.88-7,176.84-2,842.52

Finding the Fourth Proportional to 5,200.88, 7,176.84 and 2,842.52

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Solution

The fourth proportional to 5,200.88, 7,176.84 and 2,842.52 is: 3,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.88 : 7,176.84 = 2,842.52 : x
  2. Step 2: Convert to fraction form
    5,200.88/7,176.84 = 2,842.52/x
  3. Step 3: Cross multiply
    5,200.88x = 7,176.84 × 2,842.52
  4. Step 4: Simplify right side
    5,200.88x = 20,400,311.24
  5. Step 5: Solve for x
    x = 20,400,311.24/5,200.88
  6. Step 6: Final answer
    x = 3,922.47

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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.