Home / 1,860.72-2,792.43-1,499.85

Finding the Fourth Proportional to 1,860.72, 2,792.43 and 1,499.85

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Solution

The fourth proportional to 1,860.72, 2,792.43 and 1,499.85 is: 2,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.72 : 2,792.43 = 1,499.85 : x
  2. Step 2: Convert to fraction form
    1,860.72/2,792.43 = 1,499.85/x
  3. Step 3: Cross multiply
    1,860.72x = 2,792.43 × 1,499.85
  4. Step 4: Simplify right side
    1,860.72x = 4,188,226.14
  5. Step 5: Solve for x
    x = 4,188,226.14/1,860.72
  6. Step 6: Final answer
    x = 2,250.86

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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.