Home / 5,879.33-8,113.33-3,190.40

Finding the Fourth Proportional to 5,879.33, 8,113.33 and 3,190.40

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Solution

The fourth proportional to 5,879.33, 8,113.33 and 3,190.40 is: 4,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.33 : 8,113.33 = 3,190.40 : x
  2. Step 2: Convert to fraction form
    5,879.33/8,113.33 = 3,190.40/x
  3. Step 3: Cross multiply
    5,879.33x = 8,113.33 × 3,190.40
  4. Step 4: Simplify right side
    5,879.33x = 25,884,768.03
  5. Step 5: Solve for x
    x = 25,884,768.03/5,879.33
  6. Step 6: Final answer
    x = 4,402.67

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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.