Home / 1,558.03-2,149.96-894.75

Finding the Fourth Proportional to 1,558.03, 2,149.96 and 894.75

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Solution

The fourth proportional to 1,558.03, 2,149.96 and 894.75 is: 1,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.03 : 2,149.96 = 894.75 : x
  2. Step 2: Convert to fraction form
    1,558.03/2,149.96 = 894.75/x
  3. Step 3: Cross multiply
    1,558.03x = 2,149.96 × 894.75
  4. Step 4: Simplify right side
    1,558.03x = 1,923,673.38
  5. Step 5: Solve for x
    x = 1,923,673.38/1,558.03
  6. Step 6: Final answer
    x = 1,234.69

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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.