Home / 6,726.88-10,084.40-2,620

Finding the Fourth Proportional to 6,726.88, 10,084.40 and 2,620

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Solution

The fourth proportional to 6,726.88, 10,084.40 and 2,620 is: 3,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.88 : 10,084.40 = 2,620 : x
  2. Step 2: Convert to fraction form
    6,726.88/10,084.40 = 2,620/x
  3. Step 3: Cross multiply
    6,726.88x = 10,084.40 × 2,620
  4. Step 4: Simplify right side
    6,726.88x = 26,421,128
  5. Step 5: Solve for x
    x = 26,421,128/6,726.88
  6. Step 6: Final answer
    x = 3,927.69

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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.