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Finding the Fourth Proportional to 5,783.76, 7,974.36 and 3,425.04

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Solution

The fourth proportional to 5,783.76, 7,974.36 and 3,425.04 is: 4,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.76 : 7,974.36 = 3,425.04 : x
  2. Step 2: Convert to fraction form
    5,783.76/7,974.36 = 3,425.04/x
  3. Step 3: Cross multiply
    5,783.76x = 7,974.36 × 3,425.04
  4. Step 4: Simplify right side
    5,783.76x = 27,312,501.97
  5. Step 5: Solve for x
    x = 27,312,501.97/5,783.76
  6. Step 6: Final answer
    x = 4,722.27

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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.