Home / 3,096.26-4,278.48-2,255.49

Finding the Fourth Proportional to 3,096.26, 4,278.48 and 2,255.49

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Solution

The fourth proportional to 3,096.26, 4,278.48 and 2,255.49 is: 3,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.26 : 4,278.48 = 2,255.49 : x
  2. Step 2: Convert to fraction form
    3,096.26/4,278.48 = 2,255.49/x
  3. Step 3: Cross multiply
    3,096.26x = 4,278.48 × 2,255.49
  4. Step 4: Simplify right side
    3,096.26x = 9,650,068.86
  5. Step 5: Solve for x
    x = 9,650,068.86/3,096.26
  6. Step 6: Final answer
    x = 3,116.69

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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.