Home / 7,003.12-9,664.26-3,859.24

Finding the Fourth Proportional to 7,003.12, 9,664.26 and 3,859.24

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Solution

The fourth proportional to 7,003.12, 9,664.26 and 3,859.24 is: 5,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.12 : 9,664.26 = 3,859.24 : x
  2. Step 2: Convert to fraction form
    7,003.12/9,664.26 = 3,859.24/x
  3. Step 3: Cross multiply
    7,003.12x = 9,664.26 × 3,859.24
  4. Step 4: Simplify right side
    7,003.12x = 37,296,698.76
  5. Step 5: Solve for x
    x = 37,296,698.76/7,003.12
  6. Step 6: Final answer
    x = 5,325.73

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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.