Home / 6,072.13-8,383.18-3,979.90

Finding the Fourth Proportional to 6,072.13, 8,383.18 and 3,979.90

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Solution

The fourth proportional to 6,072.13, 8,383.18 and 3,979.90 is: 5,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.13 : 8,383.18 = 3,979.90 : x
  2. Step 2: Convert to fraction form
    6,072.13/8,383.18 = 3,979.90/x
  3. Step 3: Cross multiply
    6,072.13x = 8,383.18 × 3,979.90
  4. Step 4: Simplify right side
    6,072.13x = 33,364,176.17
  5. Step 5: Solve for x
    x = 33,364,176.17/6,072.13
  6. Step 6: Final answer
    x = 5,494.65

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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.