Home / 1,942.94-2,681.37-1,058.74

Finding the Fourth Proportional to 1,942.94, 2,681.37 and 1,058.74

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Solution

The fourth proportional to 1,942.94, 2,681.37 and 1,058.74 is: 1,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.94 : 2,681.37 = 1,058.74 : x
  2. Step 2: Convert to fraction form
    1,942.94/2,681.37 = 1,058.74/x
  3. Step 3: Cross multiply
    1,942.94x = 2,681.37 × 1,058.74
  4. Step 4: Simplify right side
    1,942.94x = 2,838,866.97
  5. Step 5: Solve for x
    x = 2,838,866.97/1,942.94
  6. Step 6: Final answer
    x = 1,461.12

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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.