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Finding the Fourth Proportional to 2,936.69, 4,039.12 and 2,401.73

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Solution

The fourth proportional to 2,936.69, 4,039.12 and 2,401.73 is: 3,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.69 : 4,039.12 = 2,401.73 : x
  2. Step 2: Convert to fraction form
    2,936.69/4,039.12 = 2,401.73/x
  3. Step 3: Cross multiply
    2,936.69x = 4,039.12 × 2,401.73
  4. Step 4: Simplify right side
    2,936.69x = 9,700,875.68
  5. Step 5: Solve for x
    x = 9,700,875.68/2,936.69
  6. Step 6: Final answer
    x = 3,303.34

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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.