Home / 3,551.15-5,299.36-3,119.22

Finding the Fourth Proportional to 3,551.15, 5,299.36 and 3,119.22

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Solution

The fourth proportional to 3,551.15, 5,299.36 and 3,119.22 is: 4,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.15 : 5,299.36 = 3,119.22 : x
  2. Step 2: Convert to fraction form
    3,551.15/5,299.36 = 3,119.22/x
  3. Step 3: Cross multiply
    3,551.15x = 5,299.36 × 3,119.22
  4. Step 4: Simplify right side
    3,551.15x = 16,529,847.00
  5. Step 5: Solve for x
    x = 16,529,847.00/3,551.15
  6. Step 6: Final answer
    x = 4,654.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.