Home / 7,198.15-10,800.36-2,521.52

Finding the Fourth Proportional to 7,198.15, 10,800.36 and 2,521.52

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Solution

The fourth proportional to 7,198.15, 10,800.36 and 2,521.52 is: 3,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.15 : 10,800.36 = 2,521.52 : x
  2. Step 2: Convert to fraction form
    7,198.15/10,800.36 = 2,521.52/x
  3. Step 3: Cross multiply
    7,198.15x = 10,800.36 × 2,521.52
  4. Step 4: Simplify right side
    7,198.15x = 27,233,323.75
  5. Step 5: Solve for x
    x = 27,233,323.75/7,198.15
  6. Step 6: Final answer
    x = 3,783.38

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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.