Home / 1,923.10-2,884.24-623.86

Finding the Fourth Proportional to 1,923.10, 2,884.24 and 623.86

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Solution

The fourth proportional to 1,923.10, 2,884.24 and 623.86 is: 935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.10 : 2,884.24 = 623.86 : x
  2. Step 2: Convert to fraction form
    1,923.10/2,884.24 = 623.86/x
  3. Step 3: Cross multiply
    1,923.10x = 2,884.24 × 623.86
  4. Step 4: Simplify right side
    1,923.10x = 1,799,361.97
  5. Step 5: Solve for x
    x = 1,799,361.97/1,923.10
  6. Step 6: Final answer
    x = 935.66

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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.