Home / 7,049.20-10,574.34-2,118.48

Finding the Fourth Proportional to 7,049.20, 10,574.34 and 2,118.48

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Solution

The fourth proportional to 7,049.20, 10,574.34 and 2,118.48 is: 3,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.20 : 10,574.34 = 2,118.48 : x
  2. Step 2: Convert to fraction form
    7,049.20/10,574.34 = 2,118.48/x
  3. Step 3: Cross multiply
    7,049.20x = 10,574.34 × 2,118.48
  4. Step 4: Simplify right side
    7,049.20x = 22,401,527.80
  5. Step 5: Solve for x
    x = 22,401,527.80/7,049.20
  6. Step 6: Final answer
    x = 3,177.88

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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.