Home / 5,272.92-7,276.34-3,150.86

Finding the Fourth Proportional to 5,272.92, 7,276.34 and 3,150.86

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Solution

The fourth proportional to 5,272.92, 7,276.34 and 3,150.86 is: 4,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.92 : 7,276.34 = 3,150.86 : x
  2. Step 2: Convert to fraction form
    5,272.92/7,276.34 = 3,150.86/x
  3. Step 3: Cross multiply
    5,272.92x = 7,276.34 × 3,150.86
  4. Step 4: Simplify right side
    5,272.92x = 22,926,700.15
  5. Step 5: Solve for x
    x = 22,926,700.15/5,272.92
  6. Step 6: Final answer
    x = 4,348.01

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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.