Home / 4,086.26-5,638.79-2,293.60

Finding the Fourth Proportional to 4,086.26, 5,638.79 and 2,293.60

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Solution

The fourth proportional to 4,086.26, 5,638.79 and 2,293.60 is: 3,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.26 : 5,638.79 = 2,293.60 : x
  2. Step 2: Convert to fraction form
    4,086.26/5,638.79 = 2,293.60/x
  3. Step 3: Cross multiply
    4,086.26x = 5,638.79 × 2,293.60
  4. Step 4: Simplify right side
    4,086.26x = 12,933,103.18
  5. Step 5: Solve for x
    x = 12,933,103.18/4,086.26
  6. Step 6: Final answer
    x = 3,165.03

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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.