Home / 4,777.03-7,149.99-4,322.35

Finding the Fourth Proportional to 4,777.03, 7,149.99 and 4,322.35

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Solution

The fourth proportional to 4,777.03, 7,149.99 and 4,322.35 is: 6,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.03 : 7,149.99 = 4,322.35 : x
  2. Step 2: Convert to fraction form
    4,777.03/7,149.99 = 4,322.35/x
  3. Step 3: Cross multiply
    4,777.03x = 7,149.99 × 4,322.35
  4. Step 4: Simplify right side
    4,777.03x = 30,904,759.28
  5. Step 5: Solve for x
    x = 30,904,759.28/4,777.03
  6. Step 6: Final answer
    x = 6,469.45

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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.