Home / 5,230.12-7,215.04-3,463.21

Finding the Fourth Proportional to 5,230.12, 7,215.04 and 3,463.21

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Solution

The fourth proportional to 5,230.12, 7,215.04 and 3,463.21 is: 4,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.12 : 7,215.04 = 3,463.21 : x
  2. Step 2: Convert to fraction form
    5,230.12/7,215.04 = 3,463.21/x
  3. Step 3: Cross multiply
    5,230.12x = 7,215.04 × 3,463.21
  4. Step 4: Simplify right side
    5,230.12x = 24,987,198.68
  5. Step 5: Solve for x
    x = 24,987,198.68/5,230.12
  6. Step 6: Final answer
    x = 4,777.56

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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.