Home / 3,861.13-5,327.11-2,368.30

Finding the Fourth Proportional to 3,861.13, 5,327.11 and 2,368.30

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Solution

The fourth proportional to 3,861.13, 5,327.11 and 2,368.30 is: 3,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.13 : 5,327.11 = 2,368.30 : x
  2. Step 2: Convert to fraction form
    3,861.13/5,327.11 = 2,368.30/x
  3. Step 3: Cross multiply
    3,861.13x = 5,327.11 × 2,368.30
  4. Step 4: Simplify right side
    3,861.13x = 12,616,194.61
  5. Step 5: Solve for x
    x = 12,616,194.61/3,861.13
  6. Step 6: Final answer
    x = 3,267.49

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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.