Home / 5,207.92-7,186.16-2,939.16

Finding the Fourth Proportional to 5,207.92, 7,186.16 and 2,939.16

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Solution

The fourth proportional to 5,207.92, 7,186.16 and 2,939.16 is: 4,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.92 : 7,186.16 = 2,939.16 : x
  2. Step 2: Convert to fraction form
    5,207.92/7,186.16 = 2,939.16/x
  3. Step 3: Cross multiply
    5,207.92x = 7,186.16 × 2,939.16
  4. Step 4: Simplify right side
    5,207.92x = 21,121,274.03
  5. Step 5: Solve for x
    x = 21,121,274.03/5,207.92
  6. Step 6: Final answer
    x = 4,055.61

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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.