Home / 3,513.09-4,847.57-2,020.44

Finding the Fourth Proportional to 3,513.09, 4,847.57 and 2,020.44

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Solution

The fourth proportional to 3,513.09, 4,847.57 and 2,020.44 is: 2,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.09 : 4,847.57 = 2,020.44 : x
  2. Step 2: Convert to fraction form
    3,513.09/4,847.57 = 2,020.44/x
  3. Step 3: Cross multiply
    3,513.09x = 4,847.57 × 2,020.44
  4. Step 4: Simplify right side
    3,513.09x = 9,794,189.99
  5. Step 5: Solve for x
    x = 9,794,189.99/3,513.09
  6. Step 6: Final answer
    x = 2,787.92

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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.