Home / 1,954.94-2,918.43-1,886.59

Finding the Fourth Proportional to 1,954.94, 2,918.43 and 1,886.59

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Solution

The fourth proportional to 1,954.94, 2,918.43 and 1,886.59 is: 2,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.94 : 2,918.43 = 1,886.59 : x
  2. Step 2: Convert to fraction form
    1,954.94/2,918.43 = 1,886.59/x
  3. Step 3: Cross multiply
    1,954.94x = 2,918.43 × 1,886.59
  4. Step 4: Simplify right side
    1,954.94x = 5,505,884.50
  5. Step 5: Solve for x
    x = 5,505,884.50/1,954.94
  6. Step 6: Final answer
    x = 2,816.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.