Home / 3,965.96-5,473.58-3,020.42

Finding the Fourth Proportional to 3,965.96, 5,473.58 and 3,020.42

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Solution

The fourth proportional to 3,965.96, 5,473.58 and 3,020.42 is: 4,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.96 : 5,473.58 = 3,020.42 : x
  2. Step 2: Convert to fraction form
    3,965.96/5,473.58 = 3,020.42/x
  3. Step 3: Cross multiply
    3,965.96x = 5,473.58 × 3,020.42
  4. Step 4: Simplify right side
    3,965.96x = 16,532,509.09
  5. Step 5: Solve for x
    x = 16,532,509.09/3,965.96
  6. Step 6: Final answer
    x = 4,168.60

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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.