Home / 2,933.71-4,049.15-1,939.13

Finding the Fourth Proportional to 2,933.71, 4,049.15 and 1,939.13

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Solution

The fourth proportional to 2,933.71, 4,049.15 and 1,939.13 is: 2,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.71 : 4,049.15 = 1,939.13 : x
  2. Step 2: Convert to fraction form
    2,933.71/4,049.15 = 1,939.13/x
  3. Step 3: Cross multiply
    2,933.71x = 4,049.15 × 1,939.13
  4. Step 4: Simplify right side
    2,933.71x = 7,851,828.24
  5. Step 5: Solve for x
    x = 7,851,828.24/2,933.71
  6. Step 6: Final answer
    x = 2,676.42

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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.