Home / 2,998.44-4,134.72-2,580.12

Finding the Fourth Proportional to 2,998.44, 4,134.72 and 2,580.12

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Solution

The fourth proportional to 2,998.44, 4,134.72 and 2,580.12 is: 3,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.44 : 4,134.72 = 2,580.12 : x
  2. Step 2: Convert to fraction form
    2,998.44/4,134.72 = 2,580.12/x
  3. Step 3: Cross multiply
    2,998.44x = 4,134.72 × 2,580.12
  4. Step 4: Simplify right side
    2,998.44x = 10,668,073.77
  5. Step 5: Solve for x
    x = 10,668,073.77/2,998.44
  6. Step 6: Final answer
    x = 3,557.87

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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.