Home / 3,449.14-5,174.22-1,782.75

Finding the Fourth Proportional to 3,449.14, 5,174.22 and 1,782.75

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Solution

The fourth proportional to 3,449.14, 5,174.22 and 1,782.75 is: 2,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.14 : 5,174.22 = 1,782.75 : x
  2. Step 2: Convert to fraction form
    3,449.14/5,174.22 = 1,782.75/x
  3. Step 3: Cross multiply
    3,449.14x = 5,174.22 × 1,782.75
  4. Step 4: Simplify right side
    3,449.14x = 9,224,323.52
  5. Step 5: Solve for x
    x = 9,224,323.52/3,449.14
  6. Step 6: Final answer
    x = 2,674.39

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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.