Home / 3,194.64-4,761.18-3,189.78

Finding the Fourth Proportional to 3,194.64, 4,761.18 and 3,189.78

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Solution

The fourth proportional to 3,194.64, 4,761.18 and 3,189.78 is: 4,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.64 : 4,761.18 = 3,189.78 : x
  2. Step 2: Convert to fraction form
    3,194.64/4,761.18 = 3,189.78/x
  3. Step 3: Cross multiply
    3,194.64x = 4,761.18 × 3,189.78
  4. Step 4: Simplify right side
    3,194.64x = 15,187,116.74
  5. Step 5: Solve for x
    x = 15,187,116.74/3,194.64
  6. Step 6: Final answer
    x = 4,753.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.