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Finding the Fourth Proportional to 4,741.79, 7,102.95 and 3,812.33

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Solution

The fourth proportional to 4,741.79, 7,102.95 and 3,812.33 is: 5,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.79 : 7,102.95 = 3,812.33 : x
  2. Step 2: Convert to fraction form
    4,741.79/7,102.95 = 3,812.33/x
  3. Step 3: Cross multiply
    4,741.79x = 7,102.95 × 3,812.33
  4. Step 4: Simplify right side
    4,741.79x = 27,078,789.37
  5. Step 5: Solve for x
    x = 27,078,789.37/4,741.79
  6. Step 6: Final answer
    x = 5,710.67

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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.