Home / 4,169.10-5,755.45-3,222.75

Finding the Fourth Proportional to 4,169.10, 5,755.45 and 3,222.75

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Solution

The fourth proportional to 4,169.10, 5,755.45 and 3,222.75 is: 4,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.10 : 5,755.45 = 3,222.75 : x
  2. Step 2: Convert to fraction form
    4,169.10/5,755.45 = 3,222.75/x
  3. Step 3: Cross multiply
    4,169.10x = 5,755.45 × 3,222.75
  4. Step 4: Simplify right side
    4,169.10x = 18,548,376.49
  5. Step 5: Solve for x
    x = 18,548,376.49/4,169.10
  6. Step 6: Final answer
    x = 4,449.01

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Half scale
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Double scale
Find fourth proportional to 4,170.10, 5,756.83 and 3,223.75
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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.