Home / 6,272.49-8,654.65-3,619.34

Finding the Fourth Proportional to 6,272.49, 8,654.65 and 3,619.34

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Solution

The fourth proportional to 6,272.49, 8,654.65 and 3,619.34 is: 4,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.49 : 8,654.65 = 3,619.34 : x
  2. Step 2: Convert to fraction form
    6,272.49/8,654.65 = 3,619.34/x
  3. Step 3: Cross multiply
    6,272.49x = 8,654.65 × 3,619.34
  4. Step 4: Simplify right side
    6,272.49x = 31,324,077.66
  5. Step 5: Solve for x
    x = 31,324,077.66/6,272.49
  6. Step 6: Final answer
    x = 4,993.88

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1.5x scale

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.