Home / 1,834.11-2,529.90-1,391.04

Finding the Fourth Proportional to 1,834.11, 2,529.90 and 1,391.04

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Solution

The fourth proportional to 1,834.11, 2,529.90 and 1,391.04 is: 1,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.11 : 2,529.90 = 1,391.04 : x
  2. Step 2: Convert to fraction form
    1,834.11/2,529.90 = 1,391.04/x
  3. Step 3: Cross multiply
    1,834.11x = 2,529.90 × 1,391.04
  4. Step 4: Simplify right side
    1,834.11x = 3,519,192.10
  5. Step 5: Solve for x
    x = 3,519,192.10/1,834.11
  6. Step 6: Final answer
    x = 1,918.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.