Home / 5,144.74-7,099.58-2,906.60

Finding the Fourth Proportional to 5,144.74, 7,099.58 and 2,906.60

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Solution

The fourth proportional to 5,144.74, 7,099.58 and 2,906.60 is: 4,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.74 : 7,099.58 = 2,906.60 : x
  2. Step 2: Convert to fraction form
    5,144.74/7,099.58 = 2,906.60/x
  3. Step 3: Cross multiply
    5,144.74x = 7,099.58 × 2,906.60
  4. Step 4: Simplify right side
    5,144.74x = 20,635,639.23
  5. Step 5: Solve for x
    x = 20,635,639.23/5,144.74
  6. Step 6: Final answer
    x = 4,011.02

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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.