Home / 6,005.18-8,286.75-3,316.29

Finding the Fourth Proportional to 6,005.18, 8,286.75 and 3,316.29

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Solution

The fourth proportional to 6,005.18, 8,286.75 and 3,316.29 is: 4,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.18 : 8,286.75 = 3,316.29 : x
  2. Step 2: Convert to fraction form
    6,005.18/8,286.75 = 3,316.29/x
  3. Step 3: Cross multiply
    6,005.18x = 8,286.75 × 3,316.29
  4. Step 4: Simplify right side
    6,005.18x = 27,481,235.08
  5. Step 5: Solve for x
    x = 27,481,235.08/6,005.18
  6. Step 6: Final answer
    x = 4,576.25

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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.