Home / 3,286.10-4,534.86-1,941.76

Finding the Fourth Proportional to 3,286.10, 4,534.86 and 1,941.76

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Solution

The fourth proportional to 3,286.10, 4,534.86 and 1,941.76 is: 2,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.10 : 4,534.86 = 1,941.76 : x
  2. Step 2: Convert to fraction form
    3,286.10/4,534.86 = 1,941.76/x
  3. Step 3: Cross multiply
    3,286.10x = 4,534.86 × 1,941.76
  4. Step 4: Simplify right side
    3,286.10x = 8,805,609.75
  5. Step 5: Solve for x
    x = 8,805,609.75/3,286.10
  6. Step 6: Final answer
    x = 2,679.65

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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.