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Finding the Fourth Proportional to 3,483.92, 5,203.08 and 2,791.64

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Solution

The fourth proportional to 3,483.92, 5,203.08 and 2,791.64 is: 4,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.92 : 5,203.08 = 2,791.64 : x
  2. Step 2: Convert to fraction form
    3,483.92/5,203.08 = 2,791.64/x
  3. Step 3: Cross multiply
    3,483.92x = 5,203.08 × 2,791.64
  4. Step 4: Simplify right side
    3,483.92x = 14,525,126.25
  5. Step 5: Solve for x
    x = 14,525,126.25/3,483.92
  6. Step 6: Final answer
    x = 4,169.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.