Home / 3,776.66-5,211.61-2,098.18

Finding the Fourth Proportional to 3,776.66, 5,211.61 and 2,098.18

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Solution

The fourth proportional to 3,776.66, 5,211.61 and 2,098.18 is: 2,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.66 : 5,211.61 = 2,098.18 : x
  2. Step 2: Convert to fraction form
    3,776.66/5,211.61 = 2,098.18/x
  3. Step 3: Cross multiply
    3,776.66x = 5,211.61 × 2,098.18
  4. Step 4: Simplify right side
    3,776.66x = 10,934,895.87
  5. Step 5: Solve for x
    x = 10,934,895.87/3,776.66
  6. Step 6: Final answer
    x = 2,895.39

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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.