Home / 3,401.08-4,693.83-1,909.27

Finding the Fourth Proportional to 3,401.08, 4,693.83 and 1,909.27

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Solution

The fourth proportional to 3,401.08, 4,693.83 and 1,909.27 is: 2,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.08 : 4,693.83 = 1,909.27 : x
  2. Step 2: Convert to fraction form
    3,401.08/4,693.83 = 1,909.27/x
  3. Step 3: Cross multiply
    3,401.08x = 4,693.83 × 1,909.27
  4. Step 4: Simplify right side
    3,401.08x = 8,961,788.80
  5. Step 5: Solve for x
    x = 8,961,788.80/3,401.08
  6. Step 6: Final answer
    x = 2,634.98

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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.