Home / 4,982.15-6,878.68-3,096.55

Finding the Fourth Proportional to 4,982.15, 6,878.68 and 3,096.55

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Solution

The fourth proportional to 4,982.15, 6,878.68 and 3,096.55 is: 4,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.15 : 6,878.68 = 3,096.55 : x
  2. Step 2: Convert to fraction form
    4,982.15/6,878.68 = 3,096.55/x
  3. Step 3: Cross multiply
    4,982.15x = 6,878.68 × 3,096.55
  4. Step 4: Simplify right side
    4,982.15x = 21,300,151.62
  5. Step 5: Solve for x
    x = 21,300,151.62/4,982.15
  6. Step 6: Final answer
    x = 4,275.29

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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.