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Finding the Fourth Proportional to 3,134.54, 4,326.14 and 1,807.97

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Solution

The fourth proportional to 3,134.54, 4,326.14 and 1,807.97 is: 2,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.54 : 4,326.14 = 1,807.97 : x
  2. Step 2: Convert to fraction form
    3,134.54/4,326.14 = 1,807.97/x
  3. Step 3: Cross multiply
    3,134.54x = 4,326.14 × 1,807.97
  4. Step 4: Simplify right side
    3,134.54x = 7,821,514.23
  5. Step 5: Solve for x
    x = 7,821,514.23/3,134.54
  6. Step 6: Final answer
    x = 2,495.27

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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.