Home / 4,081.50-6,122.94-1,308.24

Finding the Fourth Proportional to 4,081.50, 6,122.94 and 1,308.24

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Solution

The fourth proportional to 4,081.50, 6,122.94 and 1,308.24 is: 1,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.50 : 6,122.94 = 1,308.24 : x
  2. Step 2: Convert to fraction form
    4,081.50/6,122.94 = 1,308.24/x
  3. Step 3: Cross multiply
    4,081.50x = 6,122.94 × 1,308.24
  4. Step 4: Simplify right side
    4,081.50x = 8,010,275.03
  5. Step 5: Solve for x
    x = 8,010,275.03/4,081.50
  6. Step 6: Final answer
    x = 1,962.58

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Double scale
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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.