Home / 5,938.66-8,196.22-3,420.28

Finding the Fourth Proportional to 5,938.66, 8,196.22 and 3,420.28

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Solution

The fourth proportional to 5,938.66, 8,196.22 and 3,420.28 is: 4,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.66 : 8,196.22 = 3,420.28 : x
  2. Step 2: Convert to fraction form
    5,938.66/8,196.22 = 3,420.28/x
  3. Step 3: Cross multiply
    5,938.66x = 8,196.22 × 3,420.28
  4. Step 4: Simplify right side
    5,938.66x = 28,033,369.04
  5. Step 5: Solve for x
    x = 28,033,369.04/5,938.66
  6. Step 6: Final answer
    x = 4,720.49

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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.