Home / 5,209.62-7,186.73-3,416.28

Finding the Fourth Proportional to 5,209.62, 7,186.73 and 3,416.28

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Solution

The fourth proportional to 5,209.62, 7,186.73 and 3,416.28 is: 4,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.62 : 7,186.73 = 3,416.28 : x
  2. Step 2: Convert to fraction form
    5,209.62/7,186.73 = 3,416.28/x
  3. Step 3: Cross multiply
    5,209.62x = 7,186.73 × 3,416.28
  4. Step 4: Simplify right side
    5,209.62x = 24,551,837.93
  5. Step 5: Solve for x
    x = 24,551,837.93/5,209.62
  6. Step 6: Final answer
    x = 4,712.79

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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.