Home / 3,493.74-4,816.89-2,861.94

Finding the Fourth Proportional to 3,493.74, 4,816.89 and 2,861.94

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Solution

The fourth proportional to 3,493.74, 4,816.89 and 2,861.94 is: 3,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.74 : 4,816.89 = 2,861.94 : x
  2. Step 2: Convert to fraction form
    3,493.74/4,816.89 = 2,861.94/x
  3. Step 3: Cross multiply
    3,493.74x = 4,816.89 × 2,861.94
  4. Step 4: Simplify right side
    3,493.74x = 13,785,650.17
  5. Step 5: Solve for x
    x = 13,785,650.17/3,493.74
  6. Step 6: Final answer
    x = 3,945.81

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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.