Home / 5,817.20-8,027.86-3,164.76

Finding the Fourth Proportional to 5,817.20, 8,027.86 and 3,164.76

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Solution

The fourth proportional to 5,817.20, 8,027.86 and 3,164.76 is: 4,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.20 : 8,027.86 = 3,164.76 : x
  2. Step 2: Convert to fraction form
    5,817.20/8,027.86 = 3,164.76/x
  3. Step 3: Cross multiply
    5,817.20x = 8,027.86 × 3,164.76
  4. Step 4: Simplify right side
    5,817.20x = 25,406,250.21
  5. Step 5: Solve for x
    x = 25,406,250.21/5,817.20
  6. Step 6: Final answer
    x = 4,367.44

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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.