Home / 5,455.22-8,181.03-1,756.55

Finding the Fourth Proportional to 5,455.22, 8,181.03 and 1,756.55

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Solution

The fourth proportional to 5,455.22, 8,181.03 and 1,756.55 is: 2,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.22 : 8,181.03 = 1,756.55 : x
  2. Step 2: Convert to fraction form
    5,455.22/8,181.03 = 1,756.55/x
  3. Step 3: Cross multiply
    5,455.22x = 8,181.03 × 1,756.55
  4. Step 4: Simplify right side
    5,455.22x = 14,370,415.29
  5. Step 5: Solve for x
    x = 14,370,415.29/5,455.22
  6. Step 6: Final answer
    x = 2,634.25

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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.