Home / 2,181.93-3,271.67-1,922.52

Finding the Fourth Proportional to 2,181.93, 3,271.67 and 1,922.52

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Solution

The fourth proportional to 2,181.93, 3,271.67 and 1,922.52 is: 2,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.93 : 3,271.67 = 1,922.52 : x
  2. Step 2: Convert to fraction form
    2,181.93/3,271.67 = 1,922.52/x
  3. Step 3: Cross multiply
    2,181.93x = 3,271.67 × 1,922.52
  4. Step 4: Simplify right side
    2,181.93x = 6,289,851.01
  5. Step 5: Solve for x
    x = 6,289,851.01/2,181.93
  6. Step 6: Final answer
    x = 2,882.70

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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.