Home / 4,091.58-6,138.45-2,011.50

Finding the Fourth Proportional to 4,091.58, 6,138.45 and 2,011.50

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Solution

The fourth proportional to 4,091.58, 6,138.45 and 2,011.50 is: 3,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.58 : 6,138.45 = 2,011.50 : x
  2. Step 2: Convert to fraction form
    4,091.58/6,138.45 = 2,011.50/x
  3. Step 3: Cross multiply
    4,091.58x = 6,138.45 × 2,011.50
  4. Step 4: Simplify right side
    4,091.58x = 12,347,492.18
  5. Step 5: Solve for x
    x = 12,347,492.18/4,091.58
  6. Step 6: Final answer
    x = 3,017.78

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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.