Home / 1,939.92-2,677.22-1,184.02

Finding the Fourth Proportional to 1,939.92, 2,677.22 and 1,184.02

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Solution

The fourth proportional to 1,939.92, 2,677.22 and 1,184.02 is: 1,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.92 : 2,677.22 = 1,184.02 : x
  2. Step 2: Convert to fraction form
    1,939.92/2,677.22 = 1,184.02/x
  3. Step 3: Cross multiply
    1,939.92x = 2,677.22 × 1,184.02
  4. Step 4: Simplify right side
    1,939.92x = 3,169,882.02
  5. Step 5: Solve for x
    x = 3,169,882.02/1,939.92
  6. Step 6: Final answer
    x = 1,634.03

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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.