Home / 3,861.09-5,327.91-2,369.07

Finding the Fourth Proportional to 3,861.09, 5,327.91 and 2,369.07

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Solution

The fourth proportional to 3,861.09, 5,327.91 and 2,369.07 is: 3,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.09 : 5,327.91 = 2,369.07 : x
  2. Step 2: Convert to fraction form
    3,861.09/5,327.91 = 2,369.07/x
  3. Step 3: Cross multiply
    3,861.09x = 5,327.91 × 2,369.07
  4. Step 4: Simplify right side
    3,861.09x = 12,622,191.74
  5. Step 5: Solve for x
    x = 12,622,191.74/3,861.09
  6. Step 6: Final answer
    x = 3,269.07

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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.