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Finding the Fourth Proportional to 4,795.78, 7,194.88 and 3,812.30

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Solution

The fourth proportional to 4,795.78, 7,194.88 and 3,812.30 is: 5,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.78 : 7,194.88 = 3,812.30 : x
  2. Step 2: Convert to fraction form
    4,795.78/7,194.88 = 3,812.30/x
  3. Step 3: Cross multiply
    4,795.78x = 7,194.88 × 3,812.30
  4. Step 4: Simplify right side
    4,795.78x = 27,429,041.02
  5. Step 5: Solve for x
    x = 27,429,041.02/4,795.78
  6. Step 6: Final answer
    x = 5,719.41

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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.