Home / 3,512.56-4,847.46-2,020.52

Finding the Fourth Proportional to 3,512.56, 4,847.46 and 2,020.52

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Solution

The fourth proportional to 3,512.56, 4,847.46 and 2,020.52 is: 2,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.56 : 4,847.46 = 2,020.52 : x
  2. Step 2: Convert to fraction form
    3,512.56/4,847.46 = 2,020.52/x
  3. Step 3: Cross multiply
    3,512.56x = 4,847.46 × 2,020.52
  4. Step 4: Simplify right side
    3,512.56x = 9,794,389.88
  5. Step 5: Solve for x
    x = 9,794,389.88/3,512.56
  6. Step 6: Final answer
    x = 2,788.39

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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.