Home / 5,153.81-7,736.18-3,207.38

Finding the Fourth Proportional to 5,153.81, 7,736.18 and 3,207.38

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Solution

The fourth proportional to 5,153.81, 7,736.18 and 3,207.38 is: 4,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.81 : 7,736.18 = 3,207.38 : x
  2. Step 2: Convert to fraction form
    5,153.81/7,736.18 = 3,207.38/x
  3. Step 3: Cross multiply
    5,153.81x = 7,736.18 × 3,207.38
  4. Step 4: Simplify right side
    5,153.81x = 24,812,814.29
  5. Step 5: Solve for x
    x = 24,812,814.29/5,153.81
  6. Step 6: Final answer
    x = 4,814.47

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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.