Home / 3,105.04-4,283.43-2,882.74

Finding the Fourth Proportional to 3,105.04, 4,283.43 and 2,882.74

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Solution

The fourth proportional to 3,105.04, 4,283.43 and 2,882.74 is: 3,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.04 : 4,283.43 = 2,882.74 : x
  2. Step 2: Convert to fraction form
    3,105.04/4,283.43 = 2,882.74/x
  3. Step 3: Cross multiply
    3,105.04x = 4,283.43 × 2,882.74
  4. Step 4: Simplify right side
    3,105.04x = 12,348,015.00
  5. Step 5: Solve for x
    x = 12,348,015.00/3,105.04
  6. Step 6: Final answer
    x = 3,976.77

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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.