Home / 5,007.27-6,910.88-2,912.61

Finding the Fourth Proportional to 5,007.27, 6,910.88 and 2,912.61

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Solution

The fourth proportional to 5,007.27, 6,910.88 and 2,912.61 is: 4,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.27 : 6,910.88 = 2,912.61 : x
  2. Step 2: Convert to fraction form
    5,007.27/6,910.88 = 2,912.61/x
  3. Step 3: Cross multiply
    5,007.27x = 6,910.88 × 2,912.61
  4. Step 4: Simplify right side
    5,007.27x = 20,128,683.63
  5. Step 5: Solve for x
    x = 20,128,683.63/5,007.27
  6. Step 6: Final answer
    x = 4,019.89

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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.