Home / 2,982.97-4,116.45-1,804.06

Finding the Fourth Proportional to 2,982.97, 4,116.45 and 1,804.06

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Solution

The fourth proportional to 2,982.97, 4,116.45 and 1,804.06 is: 2,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.97 : 4,116.45 = 1,804.06 : x
  2. Step 2: Convert to fraction form
    2,982.97/4,116.45 = 1,804.06/x
  3. Step 3: Cross multiply
    2,982.97x = 4,116.45 × 1,804.06
  4. Step 4: Simplify right side
    2,982.97x = 7,426,322.79
  5. Step 5: Solve for x
    x = 7,426,322.79/2,982.97
  6. Step 6: Final answer
    x = 2,489.57

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Why These Related Problems?

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