Home / 3,446.70-4,756.38-1,874.79

Finding the Fourth Proportional to 3,446.70, 4,756.38 and 1,874.79

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Solution

The fourth proportional to 3,446.70, 4,756.38 and 1,874.79 is: 2,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.70 : 4,756.38 = 1,874.79 : x
  2. Step 2: Convert to fraction form
    3,446.70/4,756.38 = 1,874.79/x
  3. Step 3: Cross multiply
    3,446.70x = 4,756.38 × 1,874.79
  4. Step 4: Simplify right side
    3,446.70x = 8,917,213.66
  5. Step 5: Solve for x
    x = 8,917,213.66/3,446.70
  6. Step 6: Final answer
    x = 2,587.17

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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.