Home / 1,916.08-2,858.54-1,706.96

Finding the Fourth Proportional to 1,916.08, 2,858.54 and 1,706.96

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Solution

The fourth proportional to 1,916.08, 2,858.54 and 1,706.96 is: 2,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.08 : 2,858.54 = 1,706.96 : x
  2. Step 2: Convert to fraction form
    1,916.08/2,858.54 = 1,706.96/x
  3. Step 3: Cross multiply
    1,916.08x = 2,858.54 × 1,706.96
  4. Step 4: Simplify right side
    1,916.08x = 4,879,413.44
  5. Step 5: Solve for x
    x = 4,879,413.44/1,916.08
  6. Step 6: Final answer
    x = 2,546.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.