Home / 4,268.43-5,890.21-2,380.21

Finding the Fourth Proportional to 4,268.43, 5,890.21 and 2,380.21

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Solution

The fourth proportional to 4,268.43, 5,890.21 and 2,380.21 is: 3,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.43 : 5,890.21 = 2,380.21 : x
  2. Step 2: Convert to fraction form
    4,268.43/5,890.21 = 2,380.21/x
  3. Step 3: Cross multiply
    4,268.43x = 5,890.21 × 2,380.21
  4. Step 4: Simplify right side
    4,268.43x = 14,019,916.07
  5. Step 5: Solve for x
    x = 14,019,916.07/4,268.43
  6. Step 6: Final answer
    x = 3,284.56

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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.