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Finding the Fourth Proportional to 5,358.36, 8,034.48 and 3,715.68

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Solution

The fourth proportional to 5,358.36, 8,034.48 and 3,715.68 is: 5,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.36 : 8,034.48 = 3,715.68 : x
  2. Step 2: Convert to fraction form
    5,358.36/8,034.48 = 3,715.68/x
  3. Step 3: Cross multiply
    5,358.36x = 8,034.48 × 3,715.68
  4. Step 4: Simplify right side
    5,358.36x = 29,853,556.65
  5. Step 5: Solve for x
    x = 29,853,556.65/5,358.36
  6. Step 6: Final answer
    x = 5,571.40

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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.