Home / 4,103.68-6,147.84-2,157.44

Finding the Fourth Proportional to 4,103.68, 6,147.84 and 2,157.44

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Solution

The fourth proportional to 4,103.68, 6,147.84 and 2,157.44 is: 3,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.68 : 6,147.84 = 2,157.44 : x
  2. Step 2: Convert to fraction form
    4,103.68/6,147.84 = 2,157.44/x
  3. Step 3: Cross multiply
    4,103.68x = 6,147.84 × 2,157.44
  4. Step 4: Simplify right side
    4,103.68x = 13,263,595.93
  5. Step 5: Solve for x
    x = 13,263,595.93/4,103.68
  6. Step 6: Final answer
    x = 3,232.12

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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.