Home / 3,065.58-4,234.76-2,951.78

Finding the Fourth Proportional to 3,065.58, 4,234.76 and 2,951.78

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Solution

The fourth proportional to 3,065.58, 4,234.76 and 2,951.78 is: 4,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.58 : 4,234.76 = 2,951.78 : x
  2. Step 2: Convert to fraction form
    3,065.58/4,234.76 = 2,951.78/x
  3. Step 3: Cross multiply
    3,065.58x = 4,234.76 × 2,951.78
  4. Step 4: Simplify right side
    3,065.58x = 12,500,079.87
  5. Step 5: Solve for x
    x = 12,500,079.87/3,065.58
  6. Step 6: Final answer
    x = 4,077.56

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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.