Home / 6,888.36-10,326.69-2,731.30

Finding the Fourth Proportional to 6,888.36, 10,326.69 and 2,731.30

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Solution

The fourth proportional to 6,888.36, 10,326.69 and 2,731.30 is: 4,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.36 : 10,326.69 = 2,731.30 : x
  2. Step 2: Convert to fraction form
    6,888.36/10,326.69 = 2,731.30/x
  3. Step 3: Cross multiply
    6,888.36x = 10,326.69 × 2,731.30
  4. Step 4: Simplify right side
    6,888.36x = 28,205,295.23
  5. Step 5: Solve for x
    x = 28,205,295.23/6,888.36
  6. Step 6: Final answer
    x = 4,094.63

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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.