Home / 5,980.44-8,254.38-3,991.75

Finding the Fourth Proportional to 5,980.44, 8,254.38 and 3,991.75

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Solution

The fourth proportional to 5,980.44, 8,254.38 and 3,991.75 is: 5,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.44 : 8,254.38 = 3,991.75 : x
  2. Step 2: Convert to fraction form
    5,980.44/8,254.38 = 3,991.75/x
  3. Step 3: Cross multiply
    5,980.44x = 8,254.38 × 3,991.75
  4. Step 4: Simplify right side
    5,980.44x = 32,949,421.37
  5. Step 5: Solve for x
    x = 32,949,421.37/5,980.44
  6. Step 6: Final answer
    x = 5,509.53

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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.