Home / 2,186.92-3,279.18-1,927.52

Finding the Fourth Proportional to 2,186.92, 3,279.18 and 1,927.52

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Solution

The fourth proportional to 2,186.92, 3,279.18 and 1,927.52 is: 2,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.92 : 3,279.18 = 1,927.52 : x
  2. Step 2: Convert to fraction form
    2,186.92/3,279.18 = 1,927.52/x
  3. Step 3: Cross multiply
    2,186.92x = 3,279.18 × 1,927.52
  4. Step 4: Simplify right side
    2,186.92x = 6,320,685.03
  5. Step 5: Solve for x
    x = 6,320,685.03/2,186.92
  6. Step 6: Final answer
    x = 2,890.22

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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.