Home / 1,922.18-2,882.19-623.30

Finding the Fourth Proportional to 1,922.18, 2,882.19 and 623.30

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Solution

The fourth proportional to 1,922.18, 2,882.19 and 623.30 is: 934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.18 : 2,882.19 = 623.30 : x
  2. Step 2: Convert to fraction form
    1,922.18/2,882.19 = 623.30/x
  3. Step 3: Cross multiply
    1,922.18x = 2,882.19 × 623.30
  4. Step 4: Simplify right side
    1,922.18x = 1,796,469.03
  5. Step 5: Solve for x
    x = 1,796,469.03/1,922.18
  6. Step 6: Final answer
    x = 934.60

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1.5x scale

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.