Home / 1,935.12-2,673.36-1,517.28

Finding the Fourth Proportional to 1,935.12, 2,673.36 and 1,517.28

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Solution

The fourth proportional to 1,935.12, 2,673.36 and 1,517.28 is: 2,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.12 : 2,673.36 = 1,517.28 : x
  2. Step 2: Convert to fraction form
    1,935.12/2,673.36 = 1,517.28/x
  3. Step 3: Cross multiply
    1,935.12x = 2,673.36 × 1,517.28
  4. Step 4: Simplify right side
    1,935.12x = 4,056,235.66
  5. Step 5: Solve for x
    x = 4,056,235.66/1,935.12
  6. Step 6: Final answer
    x = 2,096.12

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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.