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Finding the Fourth Proportional to 4,093.79, 5,649.43 and 2,230.79

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Solution

The fourth proportional to 4,093.79, 5,649.43 and 2,230.79 is: 3,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.79 : 5,649.43 = 2,230.79 : x
  2. Step 2: Convert to fraction form
    4,093.79/5,649.43 = 2,230.79/x
  3. Step 3: Cross multiply
    4,093.79x = 5,649.43 × 2,230.79
  4. Step 4: Simplify right side
    4,093.79x = 12,602,682.10
  5. Step 5: Solve for x
    x = 12,602,682.10/4,093.79
  6. Step 6: Final answer
    x = 3,078.49

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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.