Home / 4,928.42-7,389.92-3,370.20

Finding the Fourth Proportional to 4,928.42, 7,389.92 and 3,370.20

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Solution

The fourth proportional to 4,928.42, 7,389.92 and 3,370.20 is: 5,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.42 : 7,389.92 = 3,370.20 : x
  2. Step 2: Convert to fraction form
    4,928.42/7,389.92 = 3,370.20/x
  3. Step 3: Cross multiply
    4,928.42x = 7,389.92 × 3,370.20
  4. Step 4: Simplify right side
    4,928.42x = 24,905,508.38
  5. Step 5: Solve for x
    x = 24,905,508.38/4,928.42
  6. Step 6: Final answer
    x = 5,053.45

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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.