Home / 2,936.85-4,054.13-1,757.70

Finding the Fourth Proportional to 2,936.85, 4,054.13 and 1,757.70

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Solution

The fourth proportional to 2,936.85, 4,054.13 and 1,757.70 is: 2,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.85 : 4,054.13 = 1,757.70 : x
  2. Step 2: Convert to fraction form
    2,936.85/4,054.13 = 1,757.70/x
  3. Step 3: Cross multiply
    2,936.85x = 4,054.13 × 1,757.70
  4. Step 4: Simplify right side
    2,936.85x = 7,125,944.30
  5. Step 5: Solve for x
    x = 7,125,944.30/2,936.85
  6. Step 6: Final answer
    x = 2,426.39

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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.