Home / 7,958.46-10,982.52-4,421.62

Finding the Fourth Proportional to 7,958.46, 10,982.52 and 4,421.62

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Solution

The fourth proportional to 7,958.46, 10,982.52 and 4,421.62 is: 6,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.46 : 10,982.52 = 4,421.62 : x
  2. Step 2: Convert to fraction form
    7,958.46/10,982.52 = 4,421.62/x
  3. Step 3: Cross multiply
    7,958.46x = 10,982.52 × 4,421.62
  4. Step 4: Simplify right side
    7,958.46x = 48,560,530.08
  5. Step 5: Solve for x
    x = 48,560,530.08/7,958.46
  6. Step 6: Final answer
    x = 6,101.75

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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.