Home / 1,942.97-2,681.29-1,058.77

Finding the Fourth Proportional to 1,942.97, 2,681.29 and 1,058.77

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Solution

The fourth proportional to 1,942.97, 2,681.29 and 1,058.77 is: 1,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.97 : 2,681.29 = 1,058.77 : x
  2. Step 2: Convert to fraction form
    1,942.97/2,681.29 = 1,058.77/x
  3. Step 3: Cross multiply
    1,942.97x = 2,681.29 × 1,058.77
  4. Step 4: Simplify right side
    1,942.97x = 2,838,861.39
  5. Step 5: Solve for x
    x = 2,838,861.39/1,942.97
  6. Step 6: Final answer
    x = 1,461.10

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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.