Home / 5,480.26-7,562.35-3,121.94

Finding the Fourth Proportional to 5,480.26, 7,562.35 and 3,121.94

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Solution

The fourth proportional to 5,480.26, 7,562.35 and 3,121.94 is: 4,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.26 : 7,562.35 = 3,121.94 : x
  2. Step 2: Convert to fraction form
    5,480.26/7,562.35 = 3,121.94/x
  3. Step 3: Cross multiply
    5,480.26x = 7,562.35 × 3,121.94
  4. Step 4: Simplify right side
    5,480.26x = 23,609,202.96
  5. Step 5: Solve for x
    x = 23,609,202.96/5,480.26
  6. Step 6: Final answer
    x = 4,308.04

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1.5x scale

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.