Home / 5,937.15-8,905.75-3,163.20

Finding the Fourth Proportional to 5,937.15, 8,905.75 and 3,163.20

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Solution

The fourth proportional to 5,937.15, 8,905.75 and 3,163.20 is: 4,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.15 : 8,905.75 = 3,163.20 : x
  2. Step 2: Convert to fraction form
    5,937.15/8,905.75 = 3,163.20/x
  3. Step 3: Cross multiply
    5,937.15x = 8,905.75 × 3,163.20
  4. Step 4: Simplify right side
    5,937.15x = 28,170,677.19
  5. Step 5: Solve for x
    x = 28,170,677.19/5,937.15
  6. Step 6: Final answer
    x = 4,744.82

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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.