Home / 3,571.08-5,358.66-2,113.08

Finding the Fourth Proportional to 3,571.08, 5,358.66 and 2,113.08

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Solution

The fourth proportional to 3,571.08, 5,358.66 and 2,113.08 is: 3,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.08 : 5,358.66 = 2,113.08 : x
  2. Step 2: Convert to fraction form
    3,571.08/5,358.66 = 2,113.08/x
  3. Step 3: Cross multiply
    3,571.08x = 5,358.66 × 2,113.08
  4. Step 4: Simplify right side
    3,571.08x = 11,323,277.27
  5. Step 5: Solve for x
    x = 11,323,277.27/3,571.08
  6. Step 6: Final answer
    x = 3,170.83

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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.