Home / 5,234.21-7,228.87-3,249.50

Finding the Fourth Proportional to 5,234.21, 7,228.87 and 3,249.50

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Solution

The fourth proportional to 5,234.21, 7,228.87 and 3,249.50 is: 4,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.21 : 7,228.87 = 3,249.50 : x
  2. Step 2: Convert to fraction form
    5,234.21/7,228.87 = 3,249.50/x
  3. Step 3: Cross multiply
    5,234.21x = 7,228.87 × 3,249.50
  4. Step 4: Simplify right side
    5,234.21x = 23,490,213.07
  5. Step 5: Solve for x
    x = 23,490,213.07/5,234.21
  6. Step 6: Final answer
    x = 4,487.82

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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.