Home / 5,279.96-7,286.27-3,184.09

Finding the Fourth Proportional to 5,279.96, 7,286.27 and 3,184.09

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Solution

The fourth proportional to 5,279.96, 7,286.27 and 3,184.09 is: 4,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.96 : 7,286.27 = 3,184.09 : x
  2. Step 2: Convert to fraction form
    5,279.96/7,286.27 = 3,184.09/x
  3. Step 3: Cross multiply
    5,279.96x = 7,286.27 × 3,184.09
  4. Step 4: Simplify right side
    5,279.96x = 23,200,129.19
  5. Step 5: Solve for x
    x = 23,200,129.19/5,279.96
  6. Step 6: Final answer
    x = 4,394.00

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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.