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Finding the Fourth Proportional to 5,782.08, 7,979.04 and 3,425.28

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Solution

The fourth proportional to 5,782.08, 7,979.04 and 3,425.28 is: 4,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.08 : 7,979.04 = 3,425.28 : x
  2. Step 2: Convert to fraction form
    5,782.08/7,979.04 = 3,425.28/x
  3. Step 3: Cross multiply
    5,782.08x = 7,979.04 × 3,425.28
  4. Step 4: Simplify right side
    5,782.08x = 27,330,446.13
  5. Step 5: Solve for x
    x = 27,330,446.13/5,782.08
  6. Step 6: Final answer
    x = 4,726.75

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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.