Home / 5,071.38-6,998.50-2,863.38

Finding the Fourth Proportional to 5,071.38, 6,998.50 and 2,863.38

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Solution

The fourth proportional to 5,071.38, 6,998.50 and 2,863.38 is: 3,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.38 : 6,998.50 = 2,863.38 : x
  2. Step 2: Convert to fraction form
    5,071.38/6,998.50 = 2,863.38/x
  3. Step 3: Cross multiply
    5,071.38x = 6,998.50 × 2,863.38
  4. Step 4: Simplify right side
    5,071.38x = 20,039,364.93
  5. Step 5: Solve for x
    x = 20,039,364.93/5,071.38
  6. Step 6: Final answer
    x = 3,951.46

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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.