Home / 1,609.33-2,220.03-1,049.56

Finding the Fourth Proportional to 1,609.33, 2,220.03 and 1,049.56

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Solution

The fourth proportional to 1,609.33, 2,220.03 and 1,049.56 is: 1,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.33 : 2,220.03 = 1,049.56 : x
  2. Step 2: Convert to fraction form
    1,609.33/2,220.03 = 1,049.56/x
  3. Step 3: Cross multiply
    1,609.33x = 2,220.03 × 1,049.56
  4. Step 4: Simplify right side
    1,609.33x = 2,330,054.69
  5. Step 5: Solve for x
    x = 2,330,054.69/1,609.33
  6. Step 6: Final answer
    x = 1,447.84

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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.