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Finding the Fourth Proportional to 2,174.66, 3,001.56 and 1,335.56

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Solution

The fourth proportional to 2,174.66, 3,001.56 and 1,335.56 is: 1,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.66 : 3,001.56 = 1,335.56 : x
  2. Step 2: Convert to fraction form
    2,174.66/3,001.56 = 1,335.56/x
  3. Step 3: Cross multiply
    2,174.66x = 3,001.56 × 1,335.56
  4. Step 4: Simplify right side
    2,174.66x = 4,008,763.47
  5. Step 5: Solve for x
    x = 4,008,763.47/2,174.66
  6. Step 6: Final answer
    x = 1,843.40

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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.