Home / 4,778.49-7,167.69-1,493.84

Finding the Fourth Proportional to 4,778.49, 7,167.69 and 1,493.84

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Solution

The fourth proportional to 4,778.49, 7,167.69 and 1,493.84 is: 2,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.49 : 7,167.69 = 1,493.84 : x
  2. Step 2: Convert to fraction form
    4,778.49/7,167.69 = 1,493.84/x
  3. Step 3: Cross multiply
    4,778.49x = 7,167.69 × 1,493.84
  4. Step 4: Simplify right side
    4,778.49x = 10,707,399.95
  5. Step 5: Solve for x
    x = 10,707,399.95/4,778.49
  6. Step 6: Final answer
    x = 2,240.75

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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.