Home / 3,173.00-4,378.72-1,775.75

Finding the Fourth Proportional to 3,173.00, 4,378.72 and 1,775.75

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Solution

The fourth proportional to 3,173.00, 4,378.72 and 1,775.75 is: 2,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.00 : 4,378.72 = 1,775.75 : x
  2. Step 2: Convert to fraction form
    3,173.00/4,378.72 = 1,775.75/x
  3. Step 3: Cross multiply
    3,173.00x = 4,378.72 × 1,775.75
  4. Step 4: Simplify right side
    3,173.00x = 7,775,485.71
  5. Step 5: Solve for x
    x = 7,775,485.71/3,173.00
  6. Step 6: Final answer
    x = 2,450.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.