Home / 5,416.42-8,119.76-4,497.88

Finding the Fourth Proportional to 5,416.42, 8,119.76 and 4,497.88

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Solution

The fourth proportional to 5,416.42, 8,119.76 and 4,497.88 is: 6,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.42 : 8,119.76 = 4,497.88 : x
  2. Step 2: Convert to fraction form
    5,416.42/8,119.76 = 4,497.88/x
  3. Step 3: Cross multiply
    5,416.42x = 8,119.76 × 4,497.88
  4. Step 4: Simplify right side
    5,416.42x = 36,521,706.11
  5. Step 5: Solve for x
    x = 36,521,706.11/5,416.42
  6. Step 6: Final answer
    x = 6,742.78

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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.