Home / 2,028.83-2,798.73-1,281.51

Finding the Fourth Proportional to 2,028.83, 2,798.73 and 1,281.51

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Solution

The fourth proportional to 2,028.83, 2,798.73 and 1,281.51 is: 1,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.83 : 2,798.73 = 1,281.51 : x
  2. Step 2: Convert to fraction form
    2,028.83/2,798.73 = 1,281.51/x
  3. Step 3: Cross multiply
    2,028.83x = 2,798.73 × 1,281.51
  4. Step 4: Simplify right side
    2,028.83x = 3,586,600.48
  5. Step 5: Solve for x
    x = 3,586,600.48/2,028.83
  6. Step 6: Final answer
    x = 1,767.82

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