Home / 3,409.44-5,114.57-944.21

Finding the Fourth Proportional to 3,409.44, 5,114.57 and 944.21

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Solution

The fourth proportional to 3,409.44, 5,114.57 and 944.21 is: 1,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.44 : 5,114.57 = 944.21 : x
  2. Step 2: Convert to fraction form
    3,409.44/5,114.57 = 944.21/x
  3. Step 3: Cross multiply
    3,409.44x = 5,114.57 × 944.21
  4. Step 4: Simplify right side
    3,409.44x = 4,829,197.85
  5. Step 5: Solve for x
    x = 4,829,197.85/3,409.44
  6. Step 6: Final answer
    x = 1,416.42

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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.