Home / 5,153.19-7,725.20-2,519.27

Finding the Fourth Proportional to 5,153.19, 7,725.20 and 2,519.27

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Solution

The fourth proportional to 5,153.19, 7,725.20 and 2,519.27 is: 3,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.19 : 7,725.20 = 2,519.27 : x
  2. Step 2: Convert to fraction form
    5,153.19/7,725.20 = 2,519.27/x
  3. Step 3: Cross multiply
    5,153.19x = 7,725.20 × 2,519.27
  4. Step 4: Simplify right side
    5,153.19x = 19,461,871.32
  5. Step 5: Solve for x
    x = 19,461,871.32/5,153.19
  6. Step 6: Final answer
    x = 3,776.66

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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.