Home / 5,921.08-8,879.70-2,025.40

Finding the Fourth Proportional to 5,921.08, 8,879.70 and 2,025.40

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Solution

The fourth proportional to 5,921.08, 8,879.70 and 2,025.40 is: 3,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.08 : 8,879.70 = 2,025.40 : x
  2. Step 2: Convert to fraction form
    5,921.08/8,879.70 = 2,025.40/x
  3. Step 3: Cross multiply
    5,921.08x = 8,879.70 × 2,025.40
  4. Step 4: Simplify right side
    5,921.08x = 17,984,944.38
  5. Step 5: Solve for x
    x = 17,984,944.38/5,921.08
  6. Step 6: Final answer
    x = 3,037.44

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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.