Home / 3,042.20-4,563.30-851.24

Finding the Fourth Proportional to 3,042.20, 4,563.30 and 851.24

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Solution

The fourth proportional to 3,042.20, 4,563.30 and 851.24 is: 1,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.20 : 4,563.30 = 851.24 : x
  2. Step 2: Convert to fraction form
    3,042.20/4,563.30 = 851.24/x
  3. Step 3: Cross multiply
    3,042.20x = 4,563.30 × 851.24
  4. Step 4: Simplify right side
    3,042.20x = 3,884,463.49
  5. Step 5: Solve for x
    x = 3,884,463.49/3,042.20
  6. Step 6: Final answer
    x = 1,276.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.