Home / 1,922.13-2,883.06-623.43

Finding the Fourth Proportional to 1,922.13, 2,883.06 and 623.43

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Solution

The fourth proportional to 1,922.13, 2,883.06 and 623.43 is: 935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.13 : 2,883.06 = 623.43 : x
  2. Step 2: Convert to fraction form
    1,922.13/2,883.06 = 623.43/x
  3. Step 3: Cross multiply
    1,922.13x = 2,883.06 × 623.43
  4. Step 4: Simplify right side
    1,922.13x = 1,797,386.10
  5. Step 5: Solve for x
    x = 1,797,386.10/1,922.13
  6. Step 6: Final answer
    x = 935.10

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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.