Home / 4,102.82-5,664.23-2,709.62

Finding the Fourth Proportional to 4,102.82, 5,664.23 and 2,709.62

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Solution

The fourth proportional to 4,102.82, 5,664.23 and 2,709.62 is: 3,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.82 : 5,664.23 = 2,709.62 : x
  2. Step 2: Convert to fraction form
    4,102.82/5,664.23 = 2,709.62/x
  3. Step 3: Cross multiply
    4,102.82x = 5,664.23 × 2,709.62
  4. Step 4: Simplify right side
    4,102.82x = 15,347,869.02
  5. Step 5: Solve for x
    x = 15,347,869.02/4,102.82
  6. Step 6: Final answer
    x = 3,740.81

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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.