Home / 2,185.29-3,015.45-1,300.95

Finding the Fourth Proportional to 2,185.29, 3,015.45 and 1,300.95

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Solution

The fourth proportional to 2,185.29, 3,015.45 and 1,300.95 is: 1,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.29 : 3,015.45 = 1,300.95 : x
  2. Step 2: Convert to fraction form
    2,185.29/3,015.45 = 1,300.95/x
  3. Step 3: Cross multiply
    2,185.29x = 3,015.45 × 1,300.95
  4. Step 4: Simplify right side
    2,185.29x = 3,922,949.68
  5. Step 5: Solve for x
    x = 3,922,949.68/2,185.29
  6. Step 6: Final answer
    x = 1,795.16

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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.