Home / 1,890.24-2,608.50-1,104.42

Finding the Fourth Proportional to 1,890.24, 2,608.50 and 1,104.42

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Solution

The fourth proportional to 1,890.24, 2,608.50 and 1,104.42 is: 1,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.24 : 2,608.50 = 1,104.42 : x
  2. Step 2: Convert to fraction form
    1,890.24/2,608.50 = 1,104.42/x
  3. Step 3: Cross multiply
    1,890.24x = 2,608.50 × 1,104.42
  4. Step 4: Simplify right side
    1,890.24x = 2,880,879.57
  5. Step 5: Solve for x
    x = 2,880,879.57/1,890.24
  6. Step 6: Final answer
    x = 1,524.08

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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.