Home / 4,479.62-6,717.84-1,705.56

Finding the Fourth Proportional to 4,479.62, 6,717.84 and 1,705.56

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Solution

The fourth proportional to 4,479.62, 6,717.84 and 1,705.56 is: 2,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.62 : 6,717.84 = 1,705.56 : x
  2. Step 2: Convert to fraction form
    4,479.62/6,717.84 = 1,705.56/x
  3. Step 3: Cross multiply
    4,479.62x = 6,717.84 × 1,705.56
  4. Step 4: Simplify right side
    4,479.62x = 11,457,647.60
  5. Step 5: Solve for x
    x = 11,457,647.60/4,479.62
  6. Step 6: Final answer
    x = 2,557.73

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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.