Home / 4,959.15-7,436.19-2,620.41

Finding the Fourth Proportional to 4,959.15, 7,436.19 and 2,620.41

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Solution

The fourth proportional to 4,959.15, 7,436.19 and 2,620.41 is: 3,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.15 : 7,436.19 = 2,620.41 : x
  2. Step 2: Convert to fraction form
    4,959.15/7,436.19 = 2,620.41/x
  3. Step 3: Cross multiply
    4,959.15x = 7,436.19 × 2,620.41
  4. Step 4: Simplify right side
    4,959.15x = 19,485,866.64
  5. Step 5: Solve for x
    x = 19,485,866.64/4,959.15
  6. Step 6: Final answer
    x = 3,929.28

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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.