Home / 2,845.74-3,924.66-1,850.65

Finding the Fourth Proportional to 2,845.74, 3,924.66 and 1,850.65

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Solution

The fourth proportional to 2,845.74, 3,924.66 and 1,850.65 is: 2,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.74 : 3,924.66 = 1,850.65 : x
  2. Step 2: Convert to fraction form
    2,845.74/3,924.66 = 1,850.65/x
  3. Step 3: Cross multiply
    2,845.74x = 3,924.66 × 1,850.65
  4. Step 4: Simplify right side
    2,845.74x = 7,263,172.03
  5. Step 5: Solve for x
    x = 7,263,172.03/2,845.74
  6. Step 6: Final answer
    x = 2,552.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.