Home / 4,124.91-6,181.83-1,928.91

Finding the Fourth Proportional to 4,124.91, 6,181.83 and 1,928.91

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Solution

The fourth proportional to 4,124.91, 6,181.83 and 1,928.91 is: 2,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.91 : 6,181.83 = 1,928.91 : x
  2. Step 2: Convert to fraction form
    4,124.91/6,181.83 = 1,928.91/x
  3. Step 3: Cross multiply
    4,124.91x = 6,181.83 × 1,928.91
  4. Step 4: Simplify right side
    4,124.91x = 11,924,193.71
  5. Step 5: Solve for x
    x = 11,924,193.71/4,124.91
  6. Step 6: Final answer
    x = 2,890.78

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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.