Home / 3,705.11-5,114.90-2,863.91

Finding the Fourth Proportional to 3,705.11, 5,114.90 and 2,863.91

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Solution

The fourth proportional to 3,705.11, 5,114.90 and 2,863.91 is: 3,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.11 : 5,114.90 = 2,863.91 : x
  2. Step 2: Convert to fraction form
    3,705.11/5,114.90 = 2,863.91/x
  3. Step 3: Cross multiply
    3,705.11x = 5,114.90 × 2,863.91
  4. Step 4: Simplify right side
    3,705.11x = 14,648,587.68
  5. Step 5: Solve for x
    x = 14,648,587.68/3,705.11
  6. Step 6: Final answer
    x = 3,953.62

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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.