Home / 1,982.89-2,987.54-1,795.37

Finding the Fourth Proportional to 1,982.89, 2,987.54 and 1,795.37

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Solution

The fourth proportional to 1,982.89, 2,987.54 and 1,795.37 is: 2,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.89 : 2,987.54 = 1,795.37 : x
  2. Step 2: Convert to fraction form
    1,982.89/2,987.54 = 1,795.37/x
  3. Step 3: Cross multiply
    1,982.89x = 2,987.54 × 1,795.37
  4. Step 4: Simplify right side
    1,982.89x = 5,363,739.69
  5. Step 5: Solve for x
    x = 5,363,739.69/1,982.89
  6. Step 6: Final answer
    x = 2,705.01

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.