Home / 1,927.13-2,659.44-1,042.95

Finding the Fourth Proportional to 1,927.13, 2,659.44 and 1,042.95

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Solution

The fourth proportional to 1,927.13, 2,659.44 and 1,042.95 is: 1,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.13 : 2,659.44 = 1,042.95 : x
  2. Step 2: Convert to fraction form
    1,927.13/2,659.44 = 1,042.95/x
  3. Step 3: Cross multiply
    1,927.13x = 2,659.44 × 1,042.95
  4. Step 4: Simplify right side
    1,927.13x = 2,773,660.99
  5. Step 5: Solve for x
    x = 2,773,660.99/1,927.13
  6. Step 6: Final answer
    x = 1,439.27

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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.