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Finding the Fourth Proportional to 5,583.14, 8,374.74 and 1,687.82

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Solution

The fourth proportional to 5,583.14, 8,374.74 and 1,687.82 is: 2,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.14 : 8,374.74 = 1,687.82 : x
  2. Step 2: Convert to fraction form
    5,583.14/8,374.74 = 1,687.82/x
  3. Step 3: Cross multiply
    5,583.14x = 8,374.74 × 1,687.82
  4. Step 4: Simplify right side
    5,583.14x = 14,135,053.67
  5. Step 5: Solve for x
    x = 14,135,053.67/5,583.14
  6. Step 6: Final answer
    x = 2,531.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.