Home / 5,530.94-8,290.42-2,759.68

Finding the Fourth Proportional to 5,530.94, 8,290.42 and 2,759.68

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Solution

The fourth proportional to 5,530.94, 8,290.42 and 2,759.68 is: 4,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.94 : 8,290.42 = 2,759.68 : x
  2. Step 2: Convert to fraction form
    5,530.94/8,290.42 = 2,759.68/x
  3. Step 3: Cross multiply
    5,530.94x = 8,290.42 × 2,759.68
  4. Step 4: Simplify right side
    5,530.94x = 22,878,906.27
  5. Step 5: Solve for x
    x = 22,878,906.27/5,530.94
  6. Step 6: Final answer
    x = 4,136.53

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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.