Home / 3,504.82-5,256.68-2,100.02

Finding the Fourth Proportional to 3,504.82, 5,256.68 and 2,100.02

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Solution

The fourth proportional to 3,504.82, 5,256.68 and 2,100.02 is: 3,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.82 : 5,256.68 = 2,100.02 : x
  2. Step 2: Convert to fraction form
    3,504.82/5,256.68 = 2,100.02/x
  3. Step 3: Cross multiply
    3,504.82x = 5,256.68 × 2,100.02
  4. Step 4: Simplify right side
    3,504.82x = 11,039,133.13
  5. Step 5: Solve for x
    x = 11,039,133.13/3,504.82
  6. Step 6: Final answer
    x = 3,149.70

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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.