Home / 3,933.04-5,421.66-3,233.20

Finding the Fourth Proportional to 3,933.04, 5,421.66 and 3,233.20

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Solution

The fourth proportional to 3,933.04, 5,421.66 and 3,233.20 is: 4,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.04 : 5,421.66 = 3,233.20 : x
  2. Step 2: Convert to fraction form
    3,933.04/5,421.66 = 3,233.20/x
  3. Step 3: Cross multiply
    3,933.04x = 5,421.66 × 3,233.20
  4. Step 4: Simplify right side
    3,933.04x = 17,529,311.11
  5. Step 5: Solve for x
    x = 17,529,311.11/3,933.04
  6. Step 6: Final answer
    x = 4,456.94

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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.