Home / 7,492.45-11,240.34-2,227.87

Finding the Fourth Proportional to 7,492.45, 11,240.34 and 2,227.87

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Solution

The fourth proportional to 7,492.45, 11,240.34 and 2,227.87 is: 3,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.45 : 11,240.34 = 2,227.87 : x
  2. Step 2: Convert to fraction form
    7,492.45/11,240.34 = 2,227.87/x
  3. Step 3: Cross multiply
    7,492.45x = 11,240.34 × 2,227.87
  4. Step 4: Simplify right side
    7,492.45x = 25,042,016.28
  5. Step 5: Solve for x
    x = 25,042,016.28/7,492.45
  6. Step 6: Final answer
    x = 3,342.30

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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.