Home / 5,635.83-8,453.94-1,938.03

Finding the Fourth Proportional to 5,635.83, 8,453.94 and 1,938.03

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Solution

The fourth proportional to 5,635.83, 8,453.94 and 1,938.03 is: 2,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.83 : 8,453.94 = 1,938.03 : x
  2. Step 2: Convert to fraction form
    5,635.83/8,453.94 = 1,938.03/x
  3. Step 3: Cross multiply
    5,635.83x = 8,453.94 × 1,938.03
  4. Step 4: Simplify right side
    5,635.83x = 16,383,989.34
  5. Step 5: Solve for x
    x = 16,383,989.34/5,635.83
  6. Step 6: Final answer
    x = 2,907.11

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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.