Home / 3,163.24-4,739.10-1,775.08

Finding the Fourth Proportional to 3,163.24, 4,739.10 and 1,775.08

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Solution

The fourth proportional to 3,163.24, 4,739.10 and 1,775.08 is: 2,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.24 : 4,739.10 = 1,775.08 : x
  2. Step 2: Convert to fraction form
    3,163.24/4,739.10 = 1,775.08/x
  3. Step 3: Cross multiply
    3,163.24x = 4,739.10 × 1,775.08
  4. Step 4: Simplify right side
    3,163.24x = 8,412,281.63
  5. Step 5: Solve for x
    x = 8,412,281.63/3,163.24
  6. Step 6: Final answer
    x = 2,659.39

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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.