Home / 5,416.62-7,463.05-3,645.15

Finding the Fourth Proportional to 5,416.62, 7,463.05 and 3,645.15

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Solution

The fourth proportional to 5,416.62, 7,463.05 and 3,645.15 is: 5,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.62 : 7,463.05 = 3,645.15 : x
  2. Step 2: Convert to fraction form
    5,416.62/7,463.05 = 3,645.15/x
  3. Step 3: Cross multiply
    5,416.62x = 7,463.05 × 3,645.15
  4. Step 4: Simplify right side
    5,416.62x = 27,203,936.71
  5. Step 5: Solve for x
    x = 27,203,936.71/5,416.62
  6. Step 6: Final answer
    x = 5,022.31

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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.