Home / 5,052.96-7,579.04-2,131.28

Finding the Fourth Proportional to 5,052.96, 7,579.04 and 2,131.28

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Solution

The fourth proportional to 5,052.96, 7,579.04 and 2,131.28 is: 3,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.96 : 7,579.04 = 2,131.28 : x
  2. Step 2: Convert to fraction form
    5,052.96/7,579.04 = 2,131.28/x
  3. Step 3: Cross multiply
    5,052.96x = 7,579.04 × 2,131.28
  4. Step 4: Simplify right side
    5,052.96x = 16,153,056.37
  5. Step 5: Solve for x
    x = 16,153,056.37/5,052.96
  6. Step 6: Final answer
    x = 3,196.75

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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.