Home / 2,762.22-4,145.40-1,723.74

Finding the Fourth Proportional to 2,762.22, 4,145.40 and 1,723.74

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Solution

The fourth proportional to 2,762.22, 4,145.40 and 1,723.74 is: 2,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.22 : 4,145.40 = 1,723.74 : x
  2. Step 2: Convert to fraction form
    2,762.22/4,145.40 = 1,723.74/x
  3. Step 3: Cross multiply
    2,762.22x = 4,145.40 × 1,723.74
  4. Step 4: Simplify right side
    2,762.22x = 7,145,591.80
  5. Step 5: Solve for x
    x = 7,145,591.80/2,762.22
  6. Step 6: Final answer
    x = 2,586.90

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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.