Home / 1,914.08-2,851.87-1,788.33

Finding the Fourth Proportional to 1,914.08, 2,851.87 and 1,788.33

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Solution

The fourth proportional to 1,914.08, 2,851.87 and 1,788.33 is: 2,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.08 : 2,851.87 = 1,788.33 : x
  2. Step 2: Convert to fraction form
    1,914.08/2,851.87 = 1,788.33/x
  3. Step 3: Cross multiply
    1,914.08x = 2,851.87 × 1,788.33
  4. Step 4: Simplify right side
    1,914.08x = 5,100,080.73
  5. Step 5: Solve for x
    x = 5,100,080.73/1,914.08
  6. Step 6: Final answer
    x = 2,664.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.