Home / 4,766.61-6,578.72-2,778.33

Finding the Fourth Proportional to 4,766.61, 6,578.72 and 2,778.33

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Solution

The fourth proportional to 4,766.61, 6,578.72 and 2,778.33 is: 3,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.61 : 6,578.72 = 2,778.33 : x
  2. Step 2: Convert to fraction form
    4,766.61/6,578.72 = 2,778.33/x
  3. Step 3: Cross multiply
    4,766.61x = 6,578.72 × 2,778.33
  4. Step 4: Simplify right side
    4,766.61x = 18,277,855.14
  5. Step 5: Solve for x
    x = 18,277,855.14/4,766.61
  6. Step 6: Final answer
    x = 3,834.56

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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.