Home / 5,241.86-7,234.20-2,884.44

Finding the Fourth Proportional to 5,241.86, 7,234.20 and 2,884.44

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Solution

The fourth proportional to 5,241.86, 7,234.20 and 2,884.44 is: 3,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.86 : 7,234.20 = 2,884.44 : x
  2. Step 2: Convert to fraction form
    5,241.86/7,234.20 = 2,884.44/x
  3. Step 3: Cross multiply
    5,241.86x = 7,234.20 × 2,884.44
  4. Step 4: Simplify right side
    5,241.86x = 20,866,615.85
  5. Step 5: Solve for x
    x = 20,866,615.85/5,241.86
  6. Step 6: Final answer
    x = 3,980.77

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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.