Home / 5,101.11-7,039.17-2,863.17

Finding the Fourth Proportional to 5,101.11, 7,039.17 and 2,863.17

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Solution

The fourth proportional to 5,101.11, 7,039.17 and 2,863.17 is: 3,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.11 : 7,039.17 = 2,863.17 : x
  2. Step 2: Convert to fraction form
    5,101.11/7,039.17 = 2,863.17/x
  3. Step 3: Cross multiply
    5,101.11x = 7,039.17 × 2,863.17
  4. Step 4: Simplify right side
    5,101.11x = 20,154,340.37
  5. Step 5: Solve for x
    x = 20,154,340.37/5,101.11
  6. Step 6: Final answer
    x = 3,950.97

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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.