Home / 7,154.96-9,874.22-4,170.62

Finding the Fourth Proportional to 7,154.96, 9,874.22 and 4,170.62

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Solution

The fourth proportional to 7,154.96, 9,874.22 and 4,170.62 is: 5,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.96 : 9,874.22 = 4,170.62 : x
  2. Step 2: Convert to fraction form
    7,154.96/9,874.22 = 4,170.62/x
  3. Step 3: Cross multiply
    7,154.96x = 9,874.22 × 4,170.62
  4. Step 4: Simplify right side
    7,154.96x = 41,181,623.25
  5. Step 5: Solve for x
    x = 41,181,623.25/7,154.96
  6. Step 6: Final answer
    x = 5,755.68

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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.