Home / 5,299.72-7,949.58-1,836.97

Finding the Fourth Proportional to 5,299.72, 7,949.58 and 1,836.97

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Solution

The fourth proportional to 5,299.72, 7,949.58 and 1,836.97 is: 2,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.72 : 7,949.58 = 1,836.97 : x
  2. Step 2: Convert to fraction form
    5,299.72/7,949.58 = 1,836.97/x
  3. Step 3: Cross multiply
    5,299.72x = 7,949.58 × 1,836.97
  4. Step 4: Simplify right side
    5,299.72x = 14,603,139.97
  5. Step 5: Solve for x
    x = 14,603,139.97/5,299.72
  6. Step 6: Final answer
    x = 2,755.46

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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.