Home / 5,093.74-7,638.86-1,806.15

Finding the Fourth Proportional to 5,093.74, 7,638.86 and 1,806.15

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Solution

The fourth proportional to 5,093.74, 7,638.86 and 1,806.15 is: 2,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.74 : 7,638.86 = 1,806.15 : x
  2. Step 2: Convert to fraction form
    5,093.74/7,638.86 = 1,806.15/x
  3. Step 3: Cross multiply
    5,093.74x = 7,638.86 × 1,806.15
  4. Step 4: Simplify right side
    5,093.74x = 13,796,907.02
  5. Step 5: Solve for x
    x = 13,796,907.02/5,093.74
  6. Step 6: Final answer
    x = 2,708.60

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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.