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Finding the Fourth Proportional to 3,409.83, 4,705.83 and 2,084.13

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Solution

The fourth proportional to 3,409.83, 4,705.83 and 2,084.13 is: 2,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.83 : 4,705.83 = 2,084.13 : x
  2. Step 2: Convert to fraction form
    3,409.83/4,705.83 = 2,084.13/x
  3. Step 3: Cross multiply
    3,409.83x = 4,705.83 × 2,084.13
  4. Step 4: Simplify right side
    3,409.83x = 9,807,561.48
  5. Step 5: Solve for x
    x = 9,807,561.48/3,409.83
  6. Step 6: Final answer
    x = 2,876.26

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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.