Home / 3,446.40-4,755.98-1,874.48

Finding the Fourth Proportional to 3,446.40, 4,755.98 and 1,874.48

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Solution

The fourth proportional to 3,446.40, 4,755.98 and 1,874.48 is: 2,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.40 : 4,755.98 = 1,874.48 : x
  2. Step 2: Convert to fraction form
    3,446.40/4,755.98 = 1,874.48/x
  3. Step 3: Cross multiply
    3,446.40x = 4,755.98 × 1,874.48
  4. Step 4: Simplify right side
    3,446.40x = 8,914,989.39
  5. Step 5: Solve for x
    x = 8,914,989.39/3,446.40
  6. Step 6: Final answer
    x = 2,586.75

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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.