Home / 3,507.10-5,255.14-2,205.83

Finding the Fourth Proportional to 3,507.10, 5,255.14 and 2,205.83

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Solution

The fourth proportional to 3,507.10, 5,255.14 and 2,205.83 is: 3,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.10 : 5,255.14 = 2,205.83 : x
  2. Step 2: Convert to fraction form
    3,507.10/5,255.14 = 2,205.83/x
  3. Step 3: Cross multiply
    3,507.10x = 5,255.14 × 2,205.83
  4. Step 4: Simplify right side
    3,507.10x = 11,591,945.47
  5. Step 5: Solve for x
    x = 11,591,945.47/3,507.10
  6. Step 6: Final answer
    x = 3,305.28

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1.5x scale

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.