Home / 5,353.86-8,027.31-2,890.44

Finding the Fourth Proportional to 5,353.86, 8,027.31 and 2,890.44

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Solution

The fourth proportional to 5,353.86, 8,027.31 and 2,890.44 is: 4,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.86 : 8,027.31 = 2,890.44 : x
  2. Step 2: Convert to fraction form
    5,353.86/8,027.31 = 2,890.44/x
  3. Step 3: Cross multiply
    5,353.86x = 8,027.31 × 2,890.44
  4. Step 4: Simplify right side
    5,353.86x = 23,202,457.92
  5. Step 5: Solve for x
    x = 23,202,457.92/5,353.86
  6. Step 6: Final answer
    x = 4,333.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.