Home / 2,968.95-4,097.21-1,922.83

Finding the Fourth Proportional to 2,968.95, 4,097.21 and 1,922.83

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Solution

The fourth proportional to 2,968.95, 4,097.21 and 1,922.83 is: 2,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.95 : 4,097.21 = 1,922.83 : x
  2. Step 2: Convert to fraction form
    2,968.95/4,097.21 = 1,922.83/x
  3. Step 3: Cross multiply
    2,968.95x = 4,097.21 × 1,922.83
  4. Step 4: Simplify right side
    2,968.95x = 7,878,238.30
  5. Step 5: Solve for x
    x = 7,878,238.30/2,968.95
  6. Step 6: Final answer
    x = 2,653.54

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1.5x scale

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.