Home / 3,776.45-5,211.83-2,098.40

Finding the Fourth Proportional to 3,776.45, 5,211.83 and 2,098.40

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Solution

The fourth proportional to 3,776.45, 5,211.83 and 2,098.40 is: 2,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.45 : 5,211.83 = 2,098.40 : x
  2. Step 2: Convert to fraction form
    3,776.45/5,211.83 = 2,098.40/x
  3. Step 3: Cross multiply
    3,776.45x = 5,211.83 × 2,098.40
  4. Step 4: Simplify right side
    3,776.45x = 10,936,493.58
  5. Step 5: Solve for x
    x = 10,936,493.58/3,776.45
  6. Step 6: Final answer
    x = 2,895.97

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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.