Home / 5,119.92-7,673.40-4,421.52

Finding the Fourth Proportional to 5,119.92, 7,673.40 and 4,421.52

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Solution

The fourth proportional to 5,119.92, 7,673.40 and 4,421.52 is: 6,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.92 : 7,673.40 = 4,421.52 : x
  2. Step 2: Convert to fraction form
    5,119.92/7,673.40 = 4,421.52/x
  3. Step 3: Cross multiply
    5,119.92x = 7,673.40 × 4,421.52
  4. Step 4: Simplify right side
    5,119.92x = 33,928,091.57
  5. Step 5: Solve for x
    x = 33,928,091.57/5,119.92
  6. Step 6: Final answer
    x = 6,626.68

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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.