Home / 4,928.81-7,370.75-3,680.28

Finding the Fourth Proportional to 4,928.81, 7,370.75 and 3,680.28

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Solution

The fourth proportional to 4,928.81, 7,370.75 and 3,680.28 is: 5,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.81 : 7,370.75 = 3,680.28 : x
  2. Step 2: Convert to fraction form
    4,928.81/7,370.75 = 3,680.28/x
  3. Step 3: Cross multiply
    4,928.81x = 7,370.75 × 3,680.28
  4. Step 4: Simplify right side
    4,928.81x = 27,126,412.31
  5. Step 5: Solve for x
    x = 27,126,412.31/4,928.81
  6. Step 6: Final answer
    x = 5,503.64

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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.