Home / 2,480.56-3,423.24-1,361.57

Finding the Fourth Proportional to 2,480.56, 3,423.24 and 1,361.57

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Solution

The fourth proportional to 2,480.56, 3,423.24 and 1,361.57 is: 1,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.56 : 3,423.24 = 1,361.57 : x
  2. Step 2: Convert to fraction form
    2,480.56/3,423.24 = 1,361.57/x
  3. Step 3: Cross multiply
    2,480.56x = 3,423.24 × 1,361.57
  4. Step 4: Simplify right side
    2,480.56x = 4,660,975.73
  5. Step 5: Solve for x
    x = 4,660,975.73/2,480.56
  6. Step 6: Final answer
    x = 1,879.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.