Home / 7,073.87-10,609.58-2,142.79

Finding the Fourth Proportional to 7,073.87, 10,609.58 and 2,142.79

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Solution

The fourth proportional to 7,073.87, 10,609.58 and 2,142.79 is: 3,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.87 : 10,609.58 = 2,142.79 : x
  2. Step 2: Convert to fraction form
    7,073.87/10,609.58 = 2,142.79/x
  3. Step 3: Cross multiply
    7,073.87x = 10,609.58 × 2,142.79
  4. Step 4: Simplify right side
    7,073.87x = 22,734,080.76
  5. Step 5: Solve for x
    x = 22,734,080.76/7,073.87
  6. Step 6: Final answer
    x = 3,213.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.