Home / 5,234.22-7,851.60-2,636.28

Finding the Fourth Proportional to 5,234.22, 7,851.60 and 2,636.28

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Solution

The fourth proportional to 5,234.22, 7,851.60 and 2,636.28 is: 3,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.22 : 7,851.60 = 2,636.28 : x
  2. Step 2: Convert to fraction form
    5,234.22/7,851.60 = 2,636.28/x
  3. Step 3: Cross multiply
    5,234.22x = 7,851.60 × 2,636.28
  4. Step 4: Simplify right side
    5,234.22x = 20,699,016.05
  5. Step 5: Solve for x
    x = 20,699,016.05/5,234.22
  6. Step 6: Final answer
    x = 3,954.56

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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.