Home / 4,518.24-6,229.80-4,272

Finding the Fourth Proportional to 4,518.24, 6,229.80 and 4,272

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Solution

The fourth proportional to 4,518.24, 6,229.80 and 4,272 is: 5,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.24 : 6,229.80 = 4,272 : x
  2. Step 2: Convert to fraction form
    4,518.24/6,229.80 = 4,272/x
  3. Step 3: Cross multiply
    4,518.24x = 6,229.80 × 4,272
  4. Step 4: Simplify right side
    4,518.24x = 26,613,705.60
  5. Step 5: Solve for x
    x = 26,613,705.60/4,518.24
  6. Step 6: Final answer
    x = 5,890.28

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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.