Home / 4,679.60-7,020.72-2,083.12

Finding the Fourth Proportional to 4,679.60, 7,020.72 and 2,083.12

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Solution

The fourth proportional to 4,679.60, 7,020.72 and 2,083.12 is: 3,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.60 : 7,020.72 = 2,083.12 : x
  2. Step 2: Convert to fraction form
    4,679.60/7,020.72 = 2,083.12/x
  3. Step 3: Cross multiply
    4,679.60x = 7,020.72 × 2,083.12
  4. Step 4: Simplify right side
    4,679.60x = 14,625,002.25
  5. Step 5: Solve for x
    x = 14,625,002.25/4,679.60
  6. Step 6: Final answer
    x = 3,125.27

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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.