Home / 3,173.08-4,750.25-1,999.49

Finding the Fourth Proportional to 3,173.08, 4,750.25 and 1,999.49

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Solution

The fourth proportional to 3,173.08, 4,750.25 and 1,999.49 is: 2,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.08 : 4,750.25 = 1,999.49 : x
  2. Step 2: Convert to fraction form
    3,173.08/4,750.25 = 1,999.49/x
  3. Step 3: Cross multiply
    3,173.08x = 4,750.25 × 1,999.49
  4. Step 4: Simplify right side
    3,173.08x = 9,498,077.37
  5. Step 5: Solve for x
    x = 9,498,077.37/3,173.08
  6. Step 6: Final answer
    x = 2,993.33

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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.