Home / 5,938.82-8,195.16-3,420.34

Finding the Fourth Proportional to 5,938.82, 8,195.16 and 3,420.34

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Solution

The fourth proportional to 5,938.82, 8,195.16 and 3,420.34 is: 4,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.82 : 8,195.16 = 3,420.34 : x
  2. Step 2: Convert to fraction form
    5,938.82/8,195.16 = 3,420.34/x
  3. Step 3: Cross multiply
    5,938.82x = 8,195.16 × 3,420.34
  4. Step 4: Simplify right side
    5,938.82x = 28,030,233.55
  5. Step 5: Solve for x
    x = 28,030,233.55/5,938.82
  6. Step 6: Final answer
    x = 4,719.83

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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.