Home / 3,461.25-4,778.49-2,285.73

Finding the Fourth Proportional to 3,461.25, 4,778.49 and 2,285.73

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Solution

The fourth proportional to 3,461.25, 4,778.49 and 2,285.73 is: 3,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.25 : 4,778.49 = 2,285.73 : x
  2. Step 2: Convert to fraction form
    3,461.25/4,778.49 = 2,285.73/x
  3. Step 3: Cross multiply
    3,461.25x = 4,778.49 × 2,285.73
  4. Step 4: Simplify right side
    3,461.25x = 10,922,337.95
  5. Step 5: Solve for x
    x = 10,922,337.95/3,461.25
  6. Step 6: Final answer
    x = 3,155.61

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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.