Home / 4,103.40-6,156.18-1,181.64

Finding the Fourth Proportional to 4,103.40, 6,156.18 and 1,181.64

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Solution

The fourth proportional to 4,103.40, 6,156.18 and 1,181.64 is: 1,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.40 : 6,156.18 = 1,181.64 : x
  2. Step 2: Convert to fraction form
    4,103.40/6,156.18 = 1,181.64/x
  3. Step 3: Cross multiply
    4,103.40x = 6,156.18 × 1,181.64
  4. Step 4: Simplify right side
    4,103.40x = 7,274,388.54
  5. Step 5: Solve for x
    x = 7,274,388.54/4,103.40
  6. Step 6: Final answer
    x = 1,772.77

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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.