Home / 5,172.73-7,759.94-2,052.75

Finding the Fourth Proportional to 5,172.73, 7,759.94 and 2,052.75

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Solution

The fourth proportional to 5,172.73, 7,759.94 and 2,052.75 is: 3,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.73 : 7,759.94 = 2,052.75 : x
  2. Step 2: Convert to fraction form
    5,172.73/7,759.94 = 2,052.75/x
  3. Step 3: Cross multiply
    5,172.73x = 7,759.94 × 2,052.75
  4. Step 4: Simplify right side
    5,172.73x = 15,929,216.84
  5. Step 5: Solve for x
    x = 15,929,216.84/5,172.73
  6. Step 6: Final answer
    x = 3,079.46

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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.