Home / 2,111.64-2,914.06-1,180.14

Finding the Fourth Proportional to 2,111.64, 2,914.06 and 1,180.14

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Solution

The fourth proportional to 2,111.64, 2,914.06 and 1,180.14 is: 1,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111.64 : 2,914.06 = 1,180.14 : x
  2. Step 2: Convert to fraction form
    2,111.64/2,914.06 = 1,180.14/x
  3. Step 3: Cross multiply
    2,111.64x = 2,914.06 × 1,180.14
  4. Step 4: Simplify right side
    2,111.64x = 3,438,998.77
  5. Step 5: Solve for x
    x = 3,438,998.77/2,111.64
  6. Step 6: Final answer
    x = 1,628.59

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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.