Home / 5,913.28-8,163.60-3,556

Finding the Fourth Proportional to 5,913.28, 8,163.60 and 3,556

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Solution

The fourth proportional to 5,913.28, 8,163.60 and 3,556 is: 4,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.28 : 8,163.60 = 3,556 : x
  2. Step 2: Convert to fraction form
    5,913.28/8,163.60 = 3,556/x
  3. Step 3: Cross multiply
    5,913.28x = 8,163.60 × 3,556
  4. Step 4: Simplify right side
    5,913.28x = 29,029,761.60
  5. Step 5: Solve for x
    x = 29,029,761.60/5,913.28
  6. Step 6: Final answer
    x = 4,909.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.