Home / 5,771.18-8,649.94-2,648.56

Finding the Fourth Proportional to 5,771.18, 8,649.94 and 2,648.56

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Solution

The fourth proportional to 5,771.18, 8,649.94 and 2,648.56 is: 3,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.18 : 8,649.94 = 2,648.56 : x
  2. Step 2: Convert to fraction form
    5,771.18/8,649.94 = 2,648.56/x
  3. Step 3: Cross multiply
    5,771.18x = 8,649.94 × 2,648.56
  4. Step 4: Simplify right side
    5,771.18x = 22,909,878.02
  5. Step 5: Solve for x
    x = 22,909,878.02/5,771.18
  6. Step 6: Final answer
    x = 3,969.70

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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.