Home / 5,198.32-7,797.23-1,911.17

Finding the Fourth Proportional to 5,198.32, 7,797.23 and 1,911.17

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Solution

The fourth proportional to 5,198.32, 7,797.23 and 1,911.17 is: 2,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.32 : 7,797.23 = 1,911.17 : x
  2. Step 2: Convert to fraction form
    5,198.32/7,797.23 = 1,911.17/x
  3. Step 3: Cross multiply
    5,198.32x = 7,797.23 × 1,911.17
  4. Step 4: Simplify right side
    5,198.32x = 14,901,832.06
  5. Step 5: Solve for x
    x = 14,901,832.06/5,198.32
  6. Step 6: Final answer
    x = 2,866.67

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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.