Home / 2,085.86-3,132.37-1,852.12

Finding the Fourth Proportional to 2,085.86, 3,132.37 and 1,852.12

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Solution

The fourth proportional to 2,085.86, 3,132.37 and 1,852.12 is: 2,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.86 : 3,132.37 = 1,852.12 : x
  2. Step 2: Convert to fraction form
    2,085.86/3,132.37 = 1,852.12/x
  3. Step 3: Cross multiply
    2,085.86x = 3,132.37 × 1,852.12
  4. Step 4: Simplify right side
    2,085.86x = 5,801,523.69
  5. Step 5: Solve for x
    x = 5,801,523.69/2,085.86
  6. Step 6: Final answer
    x = 2,781.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.