Home / 5,165.17-7,740.77-3,771.97

Finding the Fourth Proportional to 5,165.17, 7,740.77 and 3,771.97

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Solution

The fourth proportional to 5,165.17, 7,740.77 and 3,771.97 is: 5,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.17 : 7,740.77 = 3,771.97 : x
  2. Step 2: Convert to fraction form
    5,165.17/7,740.77 = 3,771.97/x
  3. Step 3: Cross multiply
    5,165.17x = 7,740.77 × 3,771.97
  4. Step 4: Simplify right side
    5,165.17x = 29,197,914.01
  5. Step 5: Solve for x
    x = 29,197,914.01/5,165.17
  6. Step 6: Final answer
    x = 5,652.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.