Home / 4,121.52-6,181.68-1,199.04

Finding the Fourth Proportional to 4,121.52, 6,181.68 and 1,199.04

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Solution

The fourth proportional to 4,121.52, 6,181.68 and 1,199.04 is: 1,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.52 : 6,181.68 = 1,199.04 : x
  2. Step 2: Convert to fraction form
    4,121.52/6,181.68 = 1,199.04/x
  3. Step 3: Cross multiply
    4,121.52x = 6,181.68 × 1,199.04
  4. Step 4: Simplify right side
    4,121.52x = 7,412,081.59
  5. Step 5: Solve for x
    x = 7,412,081.59/4,121.52
  6. Step 6: Final answer
    x = 1,798.39

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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.