Home / 4,663.24-7,020.38-4,255

Finding the Fourth Proportional to 4,663.24, 7,020.38 and 4,255

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Solution

The fourth proportional to 4,663.24, 7,020.38 and 4,255 is: 6,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.24 : 7,020.38 = 4,255 : x
  2. Step 2: Convert to fraction form
    4,663.24/7,020.38 = 4,255/x
  3. Step 3: Cross multiply
    4,663.24x = 7,020.38 × 4,255
  4. Step 4: Simplify right side
    4,663.24x = 29,871,716.90
  5. Step 5: Solve for x
    x = 29,871,716.90/4,663.24
  6. Step 6: Final answer
    x = 6,405.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.