Home / 2,936.10-4,052.00-1,939.63

Finding the Fourth Proportional to 2,936.10, 4,052.00 and 1,939.63

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Solution

The fourth proportional to 2,936.10, 4,052.00 and 1,939.63 is: 2,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.10 : 4,052.00 = 1,939.63 : x
  2. Step 2: Convert to fraction form
    2,936.10/4,052.00 = 1,939.63/x
  3. Step 3: Cross multiply
    2,936.10x = 4,052.00 × 1,939.63
  4. Step 4: Simplify right side
    2,936.10x = 7,859,363.14
  5. Step 5: Solve for x
    x = 7,859,363.14/2,936.10
  6. Step 6: Final answer
    x = 2,676.81

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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.