Home / 5,688.70-7,850.33-3,170.91

Finding the Fourth Proportional to 5,688.70, 7,850.33 and 3,170.91

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Solution

The fourth proportional to 5,688.70, 7,850.33 and 3,170.91 is: 4,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.70 : 7,850.33 = 3,170.91 : x
  2. Step 2: Convert to fraction form
    5,688.70/7,850.33 = 3,170.91/x
  3. Step 3: Cross multiply
    5,688.70x = 7,850.33 × 3,170.91
  4. Step 4: Simplify right side
    5,688.70x = 24,892,634.79
  5. Step 5: Solve for x
    x = 24,892,634.79/5,688.70
  6. Step 6: Final answer
    x = 4,375.80

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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.