Home / 3,037.76-4,189.96-2,936.12

Finding the Fourth Proportional to 3,037.76, 4,189.96 and 2,936.12

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Solution

The fourth proportional to 3,037.76, 4,189.96 and 2,936.12 is: 4,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.76 : 4,189.96 = 2,936.12 : x
  2. Step 2: Convert to fraction form
    3,037.76/4,189.96 = 2,936.12/x
  3. Step 3: Cross multiply
    3,037.76x = 4,189.96 × 2,936.12
  4. Step 4: Simplify right side
    3,037.76x = 12,302,225.36
  5. Step 5: Solve for x
    x = 12,302,225.36/3,037.76
  6. Step 6: Final answer
    x = 4,049.77

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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.