Home / 3,188.24-4,399.46-1,861.77

Finding the Fourth Proportional to 3,188.24, 4,399.46 and 1,861.77

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Solution

The fourth proportional to 3,188.24, 4,399.46 and 1,861.77 is: 2,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.24 : 4,399.46 = 1,861.77 : x
  2. Step 2: Convert to fraction form
    3,188.24/4,399.46 = 1,861.77/x
  3. Step 3: Cross multiply
    3,188.24x = 4,399.46 × 1,861.77
  4. Step 4: Simplify right side
    3,188.24x = 8,190,773.34
  5. Step 5: Solve for x
    x = 8,190,773.34/3,188.24
  6. Step 6: Final answer
    x = 2,569.06

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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.