Home / 5,207.07-7,175.11-3,711.81

Finding the Fourth Proportional to 5,207.07, 7,175.11 and 3,711.81

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Solution

The fourth proportional to 5,207.07, 7,175.11 and 3,711.81 is: 5,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.07 : 7,175.11 = 3,711.81 : x
  2. Step 2: Convert to fraction form
    5,207.07/7,175.11 = 3,711.81/x
  3. Step 3: Cross multiply
    5,207.07x = 7,175.11 × 3,711.81
  4. Step 4: Simplify right side
    5,207.07x = 26,632,645.05
  5. Step 5: Solve for x
    x = 26,632,645.05/5,207.07
  6. Step 6: Final answer
    x = 5,114.71

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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.