Home / 2,186.10-3,279.25-626.33

Finding the Fourth Proportional to 2,186.10, 3,279.25 and 626.33

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Solution

The fourth proportional to 2,186.10, 3,279.25 and 626.33 is: 939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.10 : 3,279.25 = 626.33 : x
  2. Step 2: Convert to fraction form
    2,186.10/3,279.25 = 626.33/x
  3. Step 3: Cross multiply
    2,186.10x = 3,279.25 × 626.33
  4. Step 4: Simplify right side
    2,186.10x = 2,053,901.63
  5. Step 5: Solve for x
    x = 2,053,901.63/2,186.10
  6. Step 6: Final answer
    x = 939.53

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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.