Home / 4,940.89-7,408.60-2,021.24

Finding the Fourth Proportional to 4,940.89, 7,408.60 and 2,021.24

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Solution

The fourth proportional to 4,940.89, 7,408.60 and 2,021.24 is: 3,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.89 : 7,408.60 = 2,021.24 : x
  2. Step 2: Convert to fraction form
    4,940.89/7,408.60 = 2,021.24/x
  3. Step 3: Cross multiply
    4,940.89x = 7,408.60 × 2,021.24
  4. Step 4: Simplify right side
    4,940.89x = 14,974,558.66
  5. Step 5: Solve for x
    x = 14,974,558.66/4,940.89
  6. Step 6: Final answer
    x = 3,030.74

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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.