Home / 1,922.32-2,883.40-623.75

Finding the Fourth Proportional to 1,922.32, 2,883.40 and 623.75

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Solution

The fourth proportional to 1,922.32, 2,883.40 and 623.75 is: 935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.32 : 2,883.40 = 623.75 : x
  2. Step 2: Convert to fraction form
    1,922.32/2,883.40 = 623.75/x
  3. Step 3: Cross multiply
    1,922.32x = 2,883.40 × 623.75
  4. Step 4: Simplify right side
    1,922.32x = 1,798,520.75
  5. Step 5: Solve for x
    x = 1,798,520.75/1,922.32
  6. Step 6: Final answer
    x = 935.60

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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.