Home / 3,776.71-5,211.29-2,098.11

Finding the Fourth Proportional to 3,776.71, 5,211.29 and 2,098.11

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Solution

The fourth proportional to 3,776.71, 5,211.29 and 2,098.11 is: 2,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.71 : 5,211.29 = 2,098.11 : x
  2. Step 2: Convert to fraction form
    3,776.71/5,211.29 = 2,098.11/x
  3. Step 3: Cross multiply
    3,776.71x = 5,211.29 × 2,098.11
  4. Step 4: Simplify right side
    3,776.71x = 10,933,884.45
  5. Step 5: Solve for x
    x = 10,933,884.45/3,776.71
  6. Step 6: Final answer
    x = 2,895.08

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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.