Home / 3,104.91-4,285.14-1,778.82

Finding the Fourth Proportional to 3,104.91, 4,285.14 and 1,778.82

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Solution

The fourth proportional to 3,104.91, 4,285.14 and 1,778.82 is: 2,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.91 : 4,285.14 = 1,778.82 : x
  2. Step 2: Convert to fraction form
    3,104.91/4,285.14 = 1,778.82/x
  3. Step 3: Cross multiply
    3,104.91x = 4,285.14 × 1,778.82
  4. Step 4: Simplify right side
    3,104.91x = 7,622,492.73
  5. Step 5: Solve for x
    x = 7,622,492.73/3,104.91
  6. Step 6: Final answer
    x = 2,454.98

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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.