Home / 7,158.80-10,738.26-2,228.33

Finding the Fourth Proportional to 7,158.80, 10,738.26 and 2,228.33

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Solution

The fourth proportional to 7,158.80, 10,738.26 and 2,228.33 is: 3,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.80 : 10,738.26 = 2,228.33 : x
  2. Step 2: Convert to fraction form
    7,158.80/10,738.26 = 2,228.33/x
  3. Step 3: Cross multiply
    7,158.80x = 10,738.26 × 2,228.33
  4. Step 4: Simplify right side
    7,158.80x = 23,928,333.21
  5. Step 5: Solve for x
    x = 23,928,333.21/7,158.80
  6. Step 6: Final answer
    x = 3,342.51

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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.