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Finding the Fourth Proportional to 4,129.80, 5,699.10 and 2,241.42

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Solution

The fourth proportional to 4,129.80, 5,699.10 and 2,241.42 is: 3,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.80 : 5,699.10 = 2,241.42 : x
  2. Step 2: Convert to fraction form
    4,129.80/5,699.10 = 2,241.42/x
  3. Step 3: Cross multiply
    4,129.80x = 5,699.10 × 2,241.42
  4. Step 4: Simplify right side
    4,129.80x = 12,774,076.72
  5. Step 5: Solve for x
    x = 12,774,076.72/4,129.80
  6. Step 6: Final answer
    x = 3,093.15

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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.