Home / 4,103.36-6,146.82-1,909.04

Finding the Fourth Proportional to 4,103.36, 6,146.82 and 1,909.04

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Solution

The fourth proportional to 4,103.36, 6,146.82 and 1,909.04 is: 2,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.36 : 6,146.82 = 1,909.04 : x
  2. Step 2: Convert to fraction form
    4,103.36/6,146.82 = 1,909.04/x
  3. Step 3: Cross multiply
    4,103.36x = 6,146.82 × 1,909.04
  4. Step 4: Simplify right side
    4,103.36x = 11,734,525.25
  5. Step 5: Solve for x
    x = 11,734,525.25/4,103.36
  6. Step 6: Final answer
    x = 2,859.74

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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.