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Finding the Fourth Proportional to 3,542.94, 4,899.87 and 3,169.26

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Solution

The fourth proportional to 3,542.94, 4,899.87 and 3,169.26 is: 4,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.94 : 4,899.87 = 3,169.26 : x
  2. Step 2: Convert to fraction form
    3,542.94/4,899.87 = 3,169.26/x
  3. Step 3: Cross multiply
    3,542.94x = 4,899.87 × 3,169.26
  4. Step 4: Simplify right side
    3,542.94x = 15,528,962.00
  5. Step 5: Solve for x
    x = 15,528,962.00/3,542.94
  6. Step 6: Final answer
    x = 4,383.07

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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.