Home / 5,043.64-7,563.14-2,120.34

Finding the Fourth Proportional to 5,043.64, 7,563.14 and 2,120.34

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Solution

The fourth proportional to 5,043.64, 7,563.14 and 2,120.34 is: 3,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.64 : 7,563.14 = 2,120.34 : x
  2. Step 2: Convert to fraction form
    5,043.64/7,563.14 = 2,120.34/x
  3. Step 3: Cross multiply
    5,043.64x = 7,563.14 × 2,120.34
  4. Step 4: Simplify right side
    5,043.64x = 16,036,428.27
  5. Step 5: Solve for x
    x = 16,036,428.27/5,043.64
  6. Step 6: Final answer
    x = 3,179.53

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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.