Home / 5,431.23-8,140.14-3,093.21

Finding the Fourth Proportional to 5,431.23, 8,140.14 and 3,093.21

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Solution

The fourth proportional to 5,431.23, 8,140.14 and 3,093.21 is: 4,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.23 : 8,140.14 = 3,093.21 : x
  2. Step 2: Convert to fraction form
    5,431.23/8,140.14 = 3,093.21/x
  3. Step 3: Cross multiply
    5,431.23x = 8,140.14 × 3,093.21
  4. Step 4: Simplify right side
    5,431.23x = 25,179,162.45
  5. Step 5: Solve for x
    x = 25,179,162.45/5,431.23
  6. Step 6: Final answer
    x = 4,636.00

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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.