Home / 5,529.50-8,285.54-3,861.98

Finding the Fourth Proportional to 5,529.50, 8,285.54 and 3,861.98

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Solution

The fourth proportional to 5,529.50, 8,285.54 and 3,861.98 is: 5,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.50 : 8,285.54 = 3,861.98 : x
  2. Step 2: Convert to fraction form
    5,529.50/8,285.54 = 3,861.98/x
  3. Step 3: Cross multiply
    5,529.50x = 8,285.54 × 3,861.98
  4. Step 4: Simplify right side
    5,529.50x = 31,998,589.77
  5. Step 5: Solve for x
    x = 31,998,589.77/5,529.50
  6. Step 6: Final answer
    x = 5,786.89

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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.