Home / 5,814.21-8,023.56-3,161.57

Finding the Fourth Proportional to 5,814.21, 8,023.56 and 3,161.57

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Solution

The fourth proportional to 5,814.21, 8,023.56 and 3,161.57 is: 4,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.21 : 8,023.56 = 3,161.57 : x
  2. Step 2: Convert to fraction form
    5,814.21/8,023.56 = 3,161.57/x
  3. Step 3: Cross multiply
    5,814.21x = 8,023.56 × 3,161.57
  4. Step 4: Simplify right side
    5,814.21x = 25,366,994.62
  5. Step 5: Solve for x
    x = 25,366,994.62/5,814.21
  6. Step 6: Final answer
    x = 4,362.93

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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.