Home / 3,772.95-5,206.92-2,280.93

Finding the Fourth Proportional to 3,772.95, 5,206.92 and 2,280.93

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Solution

The fourth proportional to 3,772.95, 5,206.92 and 2,280.93 is: 3,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.95 : 5,206.92 = 2,280.93 : x
  2. Step 2: Convert to fraction form
    3,772.95/5,206.92 = 2,280.93/x
  3. Step 3: Cross multiply
    3,772.95x = 5,206.92 × 2,280.93
  4. Step 4: Simplify right side
    3,772.95x = 11,876,591.96
  5. Step 5: Solve for x
    x = 11,876,591.96/3,772.95
  6. Step 6: Final answer
    x = 3,147.83

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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.