Home / 5,119.84-7,673.52-2,653.30

Finding the Fourth Proportional to 5,119.84, 7,673.52 and 2,653.30

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Solution

The fourth proportional to 5,119.84, 7,673.52 and 2,653.30 is: 3,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.84 : 7,673.52 = 2,653.30 : x
  2. Step 2: Convert to fraction form
    5,119.84/7,673.52 = 2,653.30/x
  3. Step 3: Cross multiply
    5,119.84x = 7,673.52 × 2,653.30
  4. Step 4: Simplify right side
    5,119.84x = 20,360,150.62
  5. Step 5: Solve for x
    x = 20,360,150.62/5,119.84
  6. Step 6: Final answer
    x = 3,976.72

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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.