Home / 5,279.72-7,286.37-3,041.54

Finding the Fourth Proportional to 5,279.72, 7,286.37 and 3,041.54

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Solution

The fourth proportional to 5,279.72, 7,286.37 and 3,041.54 is: 4,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.72 : 7,286.37 = 3,041.54 : x
  2. Step 2: Convert to fraction form
    5,279.72/7,286.37 = 3,041.54/x
  3. Step 3: Cross multiply
    5,279.72x = 7,286.37 × 3,041.54
  4. Step 4: Simplify right side
    5,279.72x = 22,161,785.81
  5. Step 5: Solve for x
    x = 22,161,785.81/5,279.72
  6. Step 6: Final answer
    x = 4,197.53

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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.