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Finding the Fourth Proportional to 2,879.73, 3,973.38 and 1,700.17

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Solution

The fourth proportional to 2,879.73, 3,973.38 and 1,700.17 is: 2,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.73 : 3,973.38 = 1,700.17 : x
  2. Step 2: Convert to fraction form
    2,879.73/3,973.38 = 1,700.17/x
  3. Step 3: Cross multiply
    2,879.73x = 3,973.38 × 1,700.17
  4. Step 4: Simplify right side
    2,879.73x = 6,755,421.47
  5. Step 5: Solve for x
    x = 6,755,421.47/2,879.73
  6. Step 6: Final answer
    x = 2,345.85

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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.