Home / 3,231.12-4,835.70-2,253

Finding the Fourth Proportional to 3,231.12, 4,835.70 and 2,253

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Solution

The fourth proportional to 3,231.12, 4,835.70 and 2,253 is: 3,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.12 : 4,835.70 = 2,253 : x
  2. Step 2: Convert to fraction form
    3,231.12/4,835.70 = 2,253/x
  3. Step 3: Cross multiply
    3,231.12x = 4,835.70 × 2,253
  4. Step 4: Simplify right side
    3,231.12x = 10,894,832.10
  5. Step 5: Solve for x
    x = 10,894,832.10/3,231.12
  6. Step 6: Final answer
    x = 3,371.84

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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.