Home / 3,861.14-5,777.87-3,342.92

Finding the Fourth Proportional to 3,861.14, 5,777.87 and 3,342.92

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Solution

The fourth proportional to 3,861.14, 5,777.87 and 3,342.92 is: 5,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.14 : 5,777.87 = 3,342.92 : x
  2. Step 2: Convert to fraction form
    3,861.14/5,777.87 = 3,342.92/x
  3. Step 3: Cross multiply
    3,861.14x = 5,777.87 × 3,342.92
  4. Step 4: Simplify right side
    3,861.14x = 19,314,954.91
  5. Step 5: Solve for x
    x = 19,314,954.91/3,861.14
  6. Step 6: Final answer
    x = 5,002.40

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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.