Home / 1,923.06-2,653.22-1,176.65

Finding the Fourth Proportional to 1,923.06, 2,653.22 and 1,176.65

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Solution

The fourth proportional to 1,923.06, 2,653.22 and 1,176.65 is: 1,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.06 : 2,653.22 = 1,176.65 : x
  2. Step 2: Convert to fraction form
    1,923.06/2,653.22 = 1,176.65/x
  3. Step 3: Cross multiply
    1,923.06x = 2,653.22 × 1,176.65
  4. Step 4: Simplify right side
    1,923.06x = 3,121,911.31
  5. Step 5: Solve for x
    x = 3,121,911.31/1,923.06
  6. Step 6: Final answer
    x = 1,623.41

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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.