Home / 4,121.10-6,182.25-1,199.02

Finding the Fourth Proportional to 4,121.10, 6,182.25 and 1,199.02

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Solution

The fourth proportional to 4,121.10, 6,182.25 and 1,199.02 is: 1,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.10 : 6,182.25 = 1,199.02 : x
  2. Step 2: Convert to fraction form
    4,121.10/6,182.25 = 1,199.02/x
  3. Step 3: Cross multiply
    4,121.10x = 6,182.25 × 1,199.02
  4. Step 4: Simplify right side
    4,121.10x = 7,412,641.40
  5. Step 5: Solve for x
    x = 7,412,641.40/4,121.10
  6. Step 6: Final answer
    x = 1,798.70

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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.