Home / 4,129.60-5,697.94-2,451.56

Finding the Fourth Proportional to 4,129.60, 5,697.94 and 2,451.56

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Solution

The fourth proportional to 4,129.60, 5,697.94 and 2,451.56 is: 3,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.60 : 5,697.94 = 2,451.56 : x
  2. Step 2: Convert to fraction form
    4,129.60/5,697.94 = 2,451.56/x
  3. Step 3: Cross multiply
    4,129.60x = 5,697.94 × 2,451.56
  4. Step 4: Simplify right side
    4,129.60x = 13,968,813.30
  5. Step 5: Solve for x
    x = 13,968,813.30/4,129.60
  6. Step 6: Final answer
    x = 3,382.61

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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.