Home / 5,938.74-8,194.54-3,420.96

Finding the Fourth Proportional to 5,938.74, 8,194.54 and 3,420.96

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Solution

The fourth proportional to 5,938.74, 8,194.54 and 3,420.96 is: 4,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.74 : 8,194.54 = 3,420.96 : x
  2. Step 2: Convert to fraction form
    5,938.74/8,194.54 = 3,420.96/x
  3. Step 3: Cross multiply
    5,938.74x = 8,194.54 × 3,420.96
  4. Step 4: Simplify right side
    5,938.74x = 28,033,193.56
  5. Step 5: Solve for x
    x = 28,033,193.56/5,938.74
  6. Step 6: Final answer
    x = 4,720.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.