Home / 4,900.25-6,759.75-3,104.56

Finding the Fourth Proportional to 4,900.25, 6,759.75 and 3,104.56

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Solution

The fourth proportional to 4,900.25, 6,759.75 and 3,104.56 is: 4,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.25 : 6,759.75 = 3,104.56 : x
  2. Step 2: Convert to fraction form
    4,900.25/6,759.75 = 3,104.56/x
  3. Step 3: Cross multiply
    4,900.25x = 6,759.75 × 3,104.56
  4. Step 4: Simplify right side
    4,900.25x = 20,986,000.14
  5. Step 5: Solve for x
    x = 20,986,000.14/4,900.25
  6. Step 6: Final answer
    x = 4,282.64

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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.