Home / 7,049.45-10,574.18-2,119.48

Finding the Fourth Proportional to 7,049.45, 10,574.18 and 2,119.48

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Solution

The fourth proportional to 7,049.45, 10,574.18 and 2,119.48 is: 3,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.45 : 10,574.18 = 2,119.48 : x
  2. Step 2: Convert to fraction form
    7,049.45/10,574.18 = 2,119.48/x
  3. Step 3: Cross multiply
    7,049.45x = 10,574.18 × 2,119.48
  4. Step 4: Simplify right side
    7,049.45x = 22,411,763.03
  5. Step 5: Solve for x
    x = 22,411,763.03/7,049.45
  6. Step 6: Final answer
    x = 3,179.22

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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.