Home / 3,234.20-4,851.75-1,042.20

Finding the Fourth Proportional to 3,234.20, 4,851.75 and 1,042.20

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Solution

The fourth proportional to 3,234.20, 4,851.75 and 1,042.20 is: 1,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.20 : 4,851.75 = 1,042.20 : x
  2. Step 2: Convert to fraction form
    3,234.20/4,851.75 = 1,042.20/x
  3. Step 3: Cross multiply
    3,234.20x = 4,851.75 × 1,042.20
  4. Step 4: Simplify right side
    3,234.20x = 5,056,493.85
  5. Step 5: Solve for x
    x = 5,056,493.85/3,234.20
  6. Step 6: Final answer
    x = 1,563.45

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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.