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Finding the Fourth Proportional to 3,590.92, 4,955.07 and 2,018.98

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Solution

The fourth proportional to 3,590.92, 4,955.07 and 2,018.98 is: 2,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.92 : 4,955.07 = 2,018.98 : x
  2. Step 2: Convert to fraction form
    3,590.92/4,955.07 = 2,018.98/x
  3. Step 3: Cross multiply
    3,590.92x = 4,955.07 × 2,018.98
  4. Step 4: Simplify right side
    3,590.92x = 10,004,187.23
  5. Step 5: Solve for x
    x = 10,004,187.23/3,590.92
  6. Step 6: Final answer
    x = 2,785.97

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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.