Home / 3,503.11-5,247.75-2,112.34

Finding the Fourth Proportional to 3,503.11, 5,247.75 and 2,112.34

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Solution

The fourth proportional to 3,503.11, 5,247.75 and 2,112.34 is: 3,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.11 : 5,247.75 = 2,112.34 : x
  2. Step 2: Convert to fraction form
    3,503.11/5,247.75 = 2,112.34/x
  3. Step 3: Cross multiply
    3,503.11x = 5,247.75 × 2,112.34
  4. Step 4: Simplify right side
    3,503.11x = 11,085,032.24
  5. Step 5: Solve for x
    x = 11,085,032.24/3,503.11
  6. Step 6: Final answer
    x = 3,164.34

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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.