Home / 1,954.19-2,696.77-1,069.98

Finding the Fourth Proportional to 1,954.19, 2,696.77 and 1,069.98

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Solution

The fourth proportional to 1,954.19, 2,696.77 and 1,069.98 is: 1,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.19 : 2,696.77 = 1,069.98 : x
  2. Step 2: Convert to fraction form
    1,954.19/2,696.77 = 1,069.98/x
  3. Step 3: Cross multiply
    1,954.19x = 2,696.77 × 1,069.98
  4. Step 4: Simplify right side
    1,954.19x = 2,885,489.96
  5. Step 5: Solve for x
    x = 2,885,489.96/1,954.19
  6. Step 6: Final answer
    x = 1,476.57

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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.