Home / 4,319.56-6,481.50-1,724.68

Finding the Fourth Proportional to 4,319.56, 6,481.50 and 1,724.68

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Solution

The fourth proportional to 4,319.56, 6,481.50 and 1,724.68 is: 2,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.56 : 6,481.50 = 1,724.68 : x
  2. Step 2: Convert to fraction form
    4,319.56/6,481.50 = 1,724.68/x
  3. Step 3: Cross multiply
    4,319.56x = 6,481.50 × 1,724.68
  4. Step 4: Simplify right side
    4,319.56x = 11,178,513.42
  5. Step 5: Solve for x
    x = 11,178,513.42/4,319.56
  6. Step 6: Final answer
    x = 2,587.88

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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.