Home / 3,192.97-4,777.65-1,939.09

Finding the Fourth Proportional to 3,192.97, 4,777.65 and 1,939.09

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Solution

The fourth proportional to 3,192.97, 4,777.65 and 1,939.09 is: 2,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.97 : 4,777.65 = 1,939.09 : x
  2. Step 2: Convert to fraction form
    3,192.97/4,777.65 = 1,939.09/x
  3. Step 3: Cross multiply
    3,192.97x = 4,777.65 × 1,939.09
  4. Step 4: Simplify right side
    3,192.97x = 9,264,269.45
  5. Step 5: Solve for x
    x = 9,264,269.45/3,192.97
  6. Step 6: Final answer
    x = 2,901.46

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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.