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Finding the Fourth Proportional to 2,174.00, 3,000.08 and 1,179.25

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Solution

The fourth proportional to 2,174.00, 3,000.08 and 1,179.25 is: 1,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.00 : 3,000.08 = 1,179.25 : x
  2. Step 2: Convert to fraction form
    2,174.00/3,000.08 = 1,179.25/x
  3. Step 3: Cross multiply
    2,174.00x = 3,000.08 × 1,179.25
  4. Step 4: Simplify right side
    2,174.00x = 3,537,839.79
  5. Step 5: Solve for x
    x = 3,537,839.79/2,174.00
  6. Step 6: Final answer
    x = 1,627.34

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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.