Home / 7,028.55-10,542.83-1,834.43

Finding the Fourth Proportional to 7,028.55, 10,542.83 and 1,834.43

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Solution

The fourth proportional to 7,028.55, 10,542.83 and 1,834.43 is: 2,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.55 : 10,542.83 = 1,834.43 : x
  2. Step 2: Convert to fraction form
    7,028.55/10,542.83 = 1,834.43/x
  3. Step 3: Cross multiply
    7,028.55x = 10,542.83 × 1,834.43
  4. Step 4: Simplify right side
    7,028.55x = 19,340,021.75
  5. Step 5: Solve for x
    x = 19,340,021.75/7,028.55
  6. Step 6: Final answer
    x = 2,751.64

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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.