Home / 7,920.75-11,883.96-2,727.03

Finding the Fourth Proportional to 7,920.75, 11,883.96 and 2,727.03

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Solution

The fourth proportional to 7,920.75, 11,883.96 and 2,727.03 is: 4,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.75 : 11,883.96 = 2,727.03 : x
  2. Step 2: Convert to fraction form
    7,920.75/11,883.96 = 2,727.03/x
  3. Step 3: Cross multiply
    7,920.75x = 11,883.96 × 2,727.03
  4. Step 4: Simplify right side
    7,920.75x = 32,407,915.44
  5. Step 5: Solve for x
    x = 32,407,915.44/7,920.75
  6. Step 6: Final answer
    x = 4,091.52

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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.