Home / 4,091.48-6,140.34-2,998.70

Finding the Fourth Proportional to 4,091.48, 6,140.34 and 2,998.70

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Solution

The fourth proportional to 4,091.48, 6,140.34 and 2,998.70 is: 4,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.48 : 6,140.34 = 2,998.70 : x
  2. Step 2: Convert to fraction form
    4,091.48/6,140.34 = 2,998.70/x
  3. Step 3: Cross multiply
    4,091.48x = 6,140.34 × 2,998.70
  4. Step 4: Simplify right side
    4,091.48x = 18,413,037.56
  5. Step 5: Solve for x
    x = 18,413,037.56/4,091.48
  6. Step 6: Final answer
    x = 4,500.34

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1.5x scale

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.