Home / 5,879.14-8,113.18-3,190.30

Finding the Fourth Proportional to 5,879.14, 8,113.18 and 3,190.30

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Solution

The fourth proportional to 5,879.14, 8,113.18 and 3,190.30 is: 4,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.14 : 8,113.18 = 3,190.30 : x
  2. Step 2: Convert to fraction form
    5,879.14/8,113.18 = 3,190.30/x
  3. Step 3: Cross multiply
    5,879.14x = 8,113.18 × 3,190.30
  4. Step 4: Simplify right side
    5,879.14x = 25,883,478.15
  5. Step 5: Solve for x
    x = 25,883,478.15/5,879.14
  6. Step 6: Final answer
    x = 4,402.60

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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.