Home / 1,619.92-2,234.67-1,364.32

Finding the Fourth Proportional to 1,619.92, 2,234.67 and 1,364.32

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Solution

The fourth proportional to 1,619.92, 2,234.67 and 1,364.32 is: 1,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.92 : 2,234.67 = 1,364.32 : x
  2. Step 2: Convert to fraction form
    1,619.92/2,234.67 = 1,364.32/x
  3. Step 3: Cross multiply
    1,619.92x = 2,234.67 × 1,364.32
  4. Step 4: Simplify right side
    1,619.92x = 3,048,804.97
  5. Step 5: Solve for x
    x = 3,048,804.97/1,619.92
  6. Step 6: Final answer
    x = 1,882.07

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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.