Home / 3,606.93-5,406.75-1,414.80

Finding the Fourth Proportional to 3,606.93, 5,406.75 and 1,414.80

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Solution

The fourth proportional to 3,606.93, 5,406.75 and 1,414.80 is: 2,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.93 : 5,406.75 = 1,414.80 : x
  2. Step 2: Convert to fraction form
    3,606.93/5,406.75 = 1,414.80/x
  3. Step 3: Cross multiply
    3,606.93x = 5,406.75 × 1,414.80
  4. Step 4: Simplify right side
    3,606.93x = 7,649,469.90
  5. Step 5: Solve for x
    x = 7,649,469.90/3,606.93
  6. Step 6: Final answer
    x = 2,120.77

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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.