Home / 3,023.24-4,172.91-1,764.56

Finding the Fourth Proportional to 3,023.24, 4,172.91 and 1,764.56

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Solution

The fourth proportional to 3,023.24, 4,172.91 and 1,764.56 is: 2,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.24 : 4,172.91 = 1,764.56 : x
  2. Step 2: Convert to fraction form
    3,023.24/4,172.91 = 1,764.56/x
  3. Step 3: Cross multiply
    3,023.24x = 4,172.91 × 1,764.56
  4. Step 4: Simplify right side
    3,023.24x = 7,363,350.07
  5. Step 5: Solve for x
    x = 7,363,350.07/3,023.24
  6. Step 6: Final answer
    x = 2,435.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.