Home / 4,969.94-7,450.32-2,157.02

Finding the Fourth Proportional to 4,969.94, 7,450.32 and 2,157.02

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Solution

The fourth proportional to 4,969.94, 7,450.32 and 2,157.02 is: 3,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.94 : 7,450.32 = 2,157.02 : x
  2. Step 2: Convert to fraction form
    4,969.94/7,450.32 = 2,157.02/x
  3. Step 3: Cross multiply
    4,969.94x = 7,450.32 × 2,157.02
  4. Step 4: Simplify right side
    4,969.94x = 16,070,489.25
  5. Step 5: Solve for x
    x = 16,070,489.25/4,969.94
  6. Step 6: Final answer
    x = 3,233.54

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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.