Home / 5,938.54-8,909.04-1,778.38

Finding the Fourth Proportional to 5,938.54, 8,909.04 and 1,778.38

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Solution

The fourth proportional to 5,938.54, 8,909.04 and 1,778.38 is: 2,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.54 : 8,909.04 = 1,778.38 : x
  2. Step 2: Convert to fraction form
    5,938.54/8,909.04 = 1,778.38/x
  3. Step 3: Cross multiply
    5,938.54x = 8,909.04 × 1,778.38
  4. Step 4: Simplify right side
    5,938.54x = 15,843,658.56
  5. Step 5: Solve for x
    x = 15,843,658.56/5,938.54
  6. Step 6: Final answer
    x = 2,667.94

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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.