Home / 3,584.68-5,374.50-1,391.56

Finding the Fourth Proportional to 3,584.68, 5,374.50 and 1,391.56

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Solution

The fourth proportional to 3,584.68, 5,374.50 and 1,391.56 is: 2,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.68 : 5,374.50 = 1,391.56 : x
  2. Step 2: Convert to fraction form
    3,584.68/5,374.50 = 1,391.56/x
  3. Step 3: Cross multiply
    3,584.68x = 5,374.50 × 1,391.56
  4. Step 4: Simplify right side
    3,584.68x = 7,478,939.22
  5. Step 5: Solve for x
    x = 7,478,939.22/3,584.68
  6. Step 6: Final answer
    x = 2,086.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.