Home / 4,680.88-7,021.36-2,083.60

Finding the Fourth Proportional to 4,680.88, 7,021.36 and 2,083.60

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Solution

The fourth proportional to 4,680.88, 7,021.36 and 2,083.60 is: 3,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.88 : 7,021.36 = 2,083.60 : x
  2. Step 2: Convert to fraction form
    4,680.88/7,021.36 = 2,083.60/x
  3. Step 3: Cross multiply
    4,680.88x = 7,021.36 × 2,083.60
  4. Step 4: Simplify right side
    4,680.88x = 14,629,705.70
  5. Step 5: Solve for x
    x = 14,629,705.70/4,680.88
  6. Step 6: Final answer
    x = 3,125.42

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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.