Home / 3,113.56-4,293.66-2,104.12

Finding the Fourth Proportional to 3,113.56, 4,293.66 and 2,104.12

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Solution

The fourth proportional to 3,113.56, 4,293.66 and 2,104.12 is: 2,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.56 : 4,293.66 = 2,104.12 : x
  2. Step 2: Convert to fraction form
    3,113.56/4,293.66 = 2,104.12/x
  3. Step 3: Cross multiply
    3,113.56x = 4,293.66 × 2,104.12
  4. Step 4: Simplify right side
    3,113.56x = 9,034,375.88
  5. Step 5: Solve for x
    x = 9,034,375.88/3,113.56
  6. Step 6: Final answer
    x = 2,901.62

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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.