Home / 5,845.18-8,768.70-2,146.60

Finding the Fourth Proportional to 5,845.18, 8,768.70 and 2,146.60

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Solution

The fourth proportional to 5,845.18, 8,768.70 and 2,146.60 is: 3,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.18 : 8,768.70 = 2,146.60 : x
  2. Step 2: Convert to fraction form
    5,845.18/8,768.70 = 2,146.60/x
  3. Step 3: Cross multiply
    5,845.18x = 8,768.70 × 2,146.60
  4. Step 4: Simplify right side
    5,845.18x = 18,822,891.42
  5. Step 5: Solve for x
    x = 18,822,891.42/5,845.18
  6. Step 6: Final answer
    x = 3,220.24

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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.