Home / 1,923.24-2,653.48-1,176.42

Finding the Fourth Proportional to 1,923.24, 2,653.48 and 1,176.42

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Solution

The fourth proportional to 1,923.24, 2,653.48 and 1,176.42 is: 1,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.24 : 2,653.48 = 1,176.42 : x
  2. Step 2: Convert to fraction form
    1,923.24/2,653.48 = 1,176.42/x
  3. Step 3: Cross multiply
    1,923.24x = 2,653.48 × 1,176.42
  4. Step 4: Simplify right side
    1,923.24x = 3,121,606.94
  5. Step 5: Solve for x
    x = 3,121,606.94/1,923.24
  6. Step 6: Final answer
    x = 1,623.10

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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.