Home / 5,200.54-7,176.82-2,842.68

Finding the Fourth Proportional to 5,200.54, 7,176.82 and 2,842.68

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Solution

The fourth proportional to 5,200.54, 7,176.82 and 2,842.68 is: 3,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.54 : 7,176.82 = 2,842.68 : x
  2. Step 2: Convert to fraction form
    5,200.54/7,176.82 = 2,842.68/x
  3. Step 3: Cross multiply
    5,200.54x = 7,176.82 × 2,842.68
  4. Step 4: Simplify right side
    5,200.54x = 20,401,402.68
  5. Step 5: Solve for x
    x = 20,401,402.68/5,200.54
  6. Step 6: Final answer
    x = 3,922.94

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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.