Home / 3,169.50-4,373.91-1,772.25

Finding the Fourth Proportional to 3,169.50, 4,373.91 and 1,772.25

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Solution

The fourth proportional to 3,169.50, 4,373.91 and 1,772.25 is: 2,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.50 : 4,373.91 = 1,772.25 : x
  2. Step 2: Convert to fraction form
    3,169.50/4,373.91 = 1,772.25/x
  3. Step 3: Cross multiply
    3,169.50x = 4,373.91 × 1,772.25
  4. Step 4: Simplify right side
    3,169.50x = 7,751,662.00
  5. Step 5: Solve for x
    x = 7,751,662.00/3,169.50
  6. Step 6: Final answer
    x = 2,445.71

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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.