Home / 1,927.95-2,889.66-1,696.36

Finding the Fourth Proportional to 1,927.95, 2,889.66 and 1,696.36

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Solution

The fourth proportional to 1,927.95, 2,889.66 and 1,696.36 is: 2,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.95 : 2,889.66 = 1,696.36 : x
  2. Step 2: Convert to fraction form
    1,927.95/2,889.66 = 1,696.36/x
  3. Step 3: Cross multiply
    1,927.95x = 2,889.66 × 1,696.36
  4. Step 4: Simplify right side
    1,927.95x = 4,901,902.77
  5. Step 5: Solve for x
    x = 4,901,902.77/1,927.95
  6. Step 6: Final answer
    x = 2,542.55

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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.