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Finding the Fourth Proportional to 2,674.31, 3,690.48 and 1,495.40

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Solution

The fourth proportional to 2,674.31, 3,690.48 and 1,495.40 is: 2,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.31 : 3,690.48 = 1,495.40 : x
  2. Step 2: Convert to fraction form
    2,674.31/3,690.48 = 1,495.40/x
  3. Step 3: Cross multiply
    2,674.31x = 3,690.48 × 1,495.40
  4. Step 4: Simplify right side
    2,674.31x = 5,518,725.34
  5. Step 5: Solve for x
    x = 5,518,725.34/2,674.31
  6. Step 6: Final answer
    x = 2,063.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.