Home / 4,101.73-6,152.68-1,328.39

Finding the Fourth Proportional to 4,101.73, 6,152.68 and 1,328.39

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Solution

The fourth proportional to 4,101.73, 6,152.68 and 1,328.39 is: 1,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.73 : 6,152.68 = 1,328.39 : x
  2. Step 2: Convert to fraction form
    4,101.73/6,152.68 = 1,328.39/x
  3. Step 3: Cross multiply
    4,101.73x = 6,152.68 × 1,328.39
  4. Step 4: Simplify right side
    4,101.73x = 8,173,170.65
  5. Step 5: Solve for x
    x = 8,173,170.65/4,101.73
  6. Step 6: Final answer
    x = 1,992.62

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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.