Home / 6,890.54-10,335.80-1,696.41

Finding the Fourth Proportional to 6,890.54, 10,335.80 and 1,696.41

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Solution

The fourth proportional to 6,890.54, 10,335.80 and 1,696.41 is: 2,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.54 : 10,335.80 = 1,696.41 : x
  2. Step 2: Convert to fraction form
    6,890.54/10,335.80 = 1,696.41/x
  3. Step 3: Cross multiply
    6,890.54x = 10,335.80 × 1,696.41
  4. Step 4: Simplify right side
    6,890.54x = 17,533,758.72
  5. Step 5: Solve for x
    x = 17,533,758.72/6,890.54
  6. Step 6: Final answer
    x = 2,544.62

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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.