Home / 4,802.12-7,198.94-1,878.38

Finding the Fourth Proportional to 4,802.12, 7,198.94 and 1,878.38

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Solution

The fourth proportional to 4,802.12, 7,198.94 and 1,878.38 is: 2,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.12 : 7,198.94 = 1,878.38 : x
  2. Step 2: Convert to fraction form
    4,802.12/7,198.94 = 1,878.38/x
  3. Step 3: Cross multiply
    4,802.12x = 7,198.94 × 1,878.38
  4. Step 4: Simplify right side
    4,802.12x = 13,522,344.92
  5. Step 5: Solve for x
    x = 13,522,344.92/4,802.12
  6. Step 6: Final answer
    x = 2,815.91

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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.