Home / 6,723.91-9,279.84-4,071.34

Finding the Fourth Proportional to 6,723.91, 9,279.84 and 4,071.34

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Solution

The fourth proportional to 6,723.91, 9,279.84 and 4,071.34 is: 5,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.91 : 9,279.84 = 4,071.34 : x
  2. Step 2: Convert to fraction form
    6,723.91/9,279.84 = 4,071.34/x
  3. Step 3: Cross multiply
    6,723.91x = 9,279.84 × 4,071.34
  4. Step 4: Simplify right side
    6,723.91x = 37,781,383.79
  5. Step 5: Solve for x
    x = 37,781,383.79/6,723.91
  6. Step 6: Final answer
    x = 5,618.96

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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.