Home / 3,861.53-5,326.96-2,442.83

Finding the Fourth Proportional to 3,861.53, 5,326.96 and 2,442.83

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Solution

The fourth proportional to 3,861.53, 5,326.96 and 2,442.83 is: 3,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.53 : 5,326.96 = 2,442.83 : x
  2. Step 2: Convert to fraction form
    3,861.53/5,326.96 = 2,442.83/x
  3. Step 3: Cross multiply
    3,861.53x = 5,326.96 × 2,442.83
  4. Step 4: Simplify right side
    3,861.53x = 13,012,857.70
  5. Step 5: Solve for x
    x = 13,012,857.70/3,861.53
  6. Step 6: Final answer
    x = 3,369.87

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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.