Home / 3,513.12-4,847.96-2,020.02

Finding the Fourth Proportional to 3,513.12, 4,847.96 and 2,020.02

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Solution

The fourth proportional to 3,513.12, 4,847.96 and 2,020.02 is: 2,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.12 : 4,847.96 = 2,020.02 : x
  2. Step 2: Convert to fraction form
    3,513.12/4,847.96 = 2,020.02/x
  3. Step 3: Cross multiply
    3,513.12x = 4,847.96 × 2,020.02
  4. Step 4: Simplify right side
    3,513.12x = 9,792,976.16
  5. Step 5: Solve for x
    x = 9,792,976.16/3,513.12
  6. Step 6: Final answer
    x = 2,787.54

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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.