Home / 5,318.78-7,975.56-3,098.37

Finding the Fourth Proportional to 5,318.78, 7,975.56 and 3,098.37

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Solution

The fourth proportional to 5,318.78, 7,975.56 and 3,098.37 is: 4,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.78 : 7,975.56 = 3,098.37 : x
  2. Step 2: Convert to fraction form
    5,318.78/7,975.56 = 3,098.37/x
  3. Step 3: Cross multiply
    5,318.78x = 7,975.56 × 3,098.37
  4. Step 4: Simplify right side
    5,318.78x = 24,711,235.84
  5. Step 5: Solve for x
    x = 24,711,235.84/5,318.78
  6. Step 6: Final answer
    x = 4,646.03

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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.