Home / 5,276.52-7,284.92-3,388.86

Finding the Fourth Proportional to 5,276.52, 7,284.92 and 3,388.86

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Solution

The fourth proportional to 5,276.52, 7,284.92 and 3,388.86 is: 4,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.52 : 7,284.92 = 3,388.86 : x
  2. Step 2: Convert to fraction form
    5,276.52/7,284.92 = 3,388.86/x
  3. Step 3: Cross multiply
    5,276.52x = 7,284.92 × 3,388.86
  4. Step 4: Simplify right side
    5,276.52x = 24,687,584.37
  5. Step 5: Solve for x
    x = 24,687,584.37/5,276.52
  6. Step 6: Final answer
    x = 4,678.76

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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.