Home / 4,520.72-6,784.32-2,056.88

Finding the Fourth Proportional to 4,520.72, 6,784.32 and 2,056.88

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Solution

The fourth proportional to 4,520.72, 6,784.32 and 2,056.88 is: 3,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.72 : 6,784.32 = 2,056.88 : x
  2. Step 2: Convert to fraction form
    4,520.72/6,784.32 = 2,056.88/x
  3. Step 3: Cross multiply
    4,520.72x = 6,784.32 × 2,056.88
  4. Step 4: Simplify right side
    4,520.72x = 13,954,532.12
  5. Step 5: Solve for x
    x = 13,954,532.12/4,520.72
  6. Step 6: Final answer
    x = 3,086.79

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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.