Home / 1,192.43-1,795.65-1,040.18

Finding the Fourth Proportional to 1,192.43, 1,795.65 and 1,040.18

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Solution

The fourth proportional to 1,192.43, 1,795.65 and 1,040.18 is: 1,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.43 : 1,795.65 = 1,040.18 : x
  2. Step 2: Convert to fraction form
    1,192.43/1,795.65 = 1,040.18/x
  3. Step 3: Cross multiply
    1,192.43x = 1,795.65 × 1,040.18
  4. Step 4: Simplify right side
    1,192.43x = 1,867,786.34
  5. Step 5: Solve for x
    x = 1,867,786.34/1,192.43
  6. Step 6: Final answer
    x = 1,566.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.