Home / 1,851.33-2,778.62-1,562.97

Finding the Fourth Proportional to 1,851.33, 2,778.62 and 1,562.97

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Solution

The fourth proportional to 1,851.33, 2,778.62 and 1,562.97 is: 2,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.33 : 2,778.62 = 1,562.97 : x
  2. Step 2: Convert to fraction form
    1,851.33/2,778.62 = 1,562.97/x
  3. Step 3: Cross multiply
    1,851.33x = 2,778.62 × 1,562.97
  4. Step 4: Simplify right side
    1,851.33x = 4,342,891.89
  5. Step 5: Solve for x
    x = 4,342,891.89/1,851.33
  6. Step 6: Final answer
    x = 2,345.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.