Home / 1,934.14-2,896.69-1,412.85

Finding the Fourth Proportional to 1,934.14, 2,896.69 and 1,412.85

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Solution

The fourth proportional to 1,934.14, 2,896.69 and 1,412.85 is: 2,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.14 : 2,896.69 = 1,412.85 : x
  2. Step 2: Convert to fraction form
    1,934.14/2,896.69 = 1,412.85/x
  3. Step 3: Cross multiply
    1,934.14x = 2,896.69 × 1,412.85
  4. Step 4: Simplify right side
    1,934.14x = 4,092,581.40
  5. Step 5: Solve for x
    x = 4,092,581.40/1,934.14
  6. Step 6: Final answer
    x = 2,115.98

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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.