Home / 5,357.72-8,037.98-2,236.70

Finding the Fourth Proportional to 5,357.72, 8,037.98 and 2,236.70

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Solution

The fourth proportional to 5,357.72, 8,037.98 and 2,236.70 is: 3,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.72 : 8,037.98 = 2,236.70 : x
  2. Step 2: Convert to fraction form
    5,357.72/8,037.98 = 2,236.70/x
  3. Step 3: Cross multiply
    5,357.72x = 8,037.98 × 2,236.70
  4. Step 4: Simplify right side
    5,357.72x = 17,978,549.87
  5. Step 5: Solve for x
    x = 17,978,549.87/5,357.72
  6. Step 6: Final answer
    x = 3,355.63

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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.