Home / 5,137.38-7,708.50-3,558.53

Finding the Fourth Proportional to 5,137.38, 7,708.50 and 3,558.53

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Solution

The fourth proportional to 5,137.38, 7,708.50 and 3,558.53 is: 5,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.38 : 7,708.50 = 3,558.53 : x
  2. Step 2: Convert to fraction form
    5,137.38/7,708.50 = 3,558.53/x
  3. Step 3: Cross multiply
    5,137.38x = 7,708.50 × 3,558.53
  4. Step 4: Simplify right side
    5,137.38x = 27,430,903.31
  5. Step 5: Solve for x
    x = 27,430,903.31/5,137.38
  6. Step 6: Final answer
    x = 5,339.48

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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.