Home / 4,146.29-6,219.42-3,414.32

Finding the Fourth Proportional to 4,146.29, 6,219.42 and 3,414.32

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Solution

The fourth proportional to 4,146.29, 6,219.42 and 3,414.32 is: 5,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.29 : 6,219.42 = 3,414.32 : x
  2. Step 2: Convert to fraction form
    4,146.29/6,219.42 = 3,414.32/x
  3. Step 3: Cross multiply
    4,146.29x = 6,219.42 × 3,414.32
  4. Step 4: Simplify right side
    4,146.29x = 21,235,090.09
  5. Step 5: Solve for x
    x = 21,235,090.09/4,146.29
  6. Step 6: Final answer
    x = 5,121.47

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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.