Home / 4,928.45-7,386.98-2,732.81

Finding the Fourth Proportional to 4,928.45, 7,386.98 and 2,732.81

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Solution

The fourth proportional to 4,928.45, 7,386.98 and 2,732.81 is: 4,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.45 : 7,386.98 = 2,732.81 : x
  2. Step 2: Convert to fraction form
    4,928.45/7,386.98 = 2,732.81/x
  3. Step 3: Cross multiply
    4,928.45x = 7,386.98 × 2,732.81
  4. Step 4: Simplify right side
    4,928.45x = 20,187,162.21
  5. Step 5: Solve for x
    x = 20,187,162.21/4,928.45
  6. Step 6: Final answer
    x = 4,096.05

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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.