Home / 5,475.10-8,193.20-3,155.26

Finding the Fourth Proportional to 5,475.10, 8,193.20 and 3,155.26

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Solution

The fourth proportional to 5,475.10, 8,193.20 and 3,155.26 is: 4,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.10 : 8,193.20 = 3,155.26 : x
  2. Step 2: Convert to fraction form
    5,475.10/8,193.20 = 3,155.26/x
  3. Step 3: Cross multiply
    5,475.10x = 8,193.20 × 3,155.26
  4. Step 4: Simplify right side
    5,475.10x = 25,851,676.23
  5. Step 5: Solve for x
    x = 25,851,676.23/5,475.10
  6. Step 6: Final answer
    x = 4,721.68

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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.