Home / 4,268.85-5,890.81-2,380.64

Finding the Fourth Proportional to 4,268.85, 5,890.81 and 2,380.64

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Solution

The fourth proportional to 4,268.85, 5,890.81 and 2,380.64 is: 3,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.85 : 5,890.81 = 2,380.64 : x
  2. Step 2: Convert to fraction form
    4,268.85/5,890.81 = 2,380.64/x
  3. Step 3: Cross multiply
    4,268.85x = 5,890.81 × 2,380.64
  4. Step 4: Simplify right side
    4,268.85x = 14,023,897.92
  5. Step 5: Solve for x
    x = 14,023,897.92/4,268.85
  6. Step 6: Final answer
    x = 3,285.17

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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.