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Finding the Fourth Proportional to 5,217.62, 7,206.64 and 3,799.06

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Solution

The fourth proportional to 5,217.62, 7,206.64 and 3,799.06 is: 5,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.62 : 7,206.64 = 3,799.06 : x
  2. Step 2: Convert to fraction form
    5,217.62/7,206.64 = 3,799.06/x
  3. Step 3: Cross multiply
    5,217.62x = 7,206.64 × 3,799.06
  4. Step 4: Simplify right side
    5,217.62x = 27,378,430.24
  5. Step 5: Solve for x
    x = 27,378,430.24/5,217.62
  6. Step 6: Final answer
    x = 5,247.31

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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.