Home / 4,928.90-7,382.49-4,074.91

Finding the Fourth Proportional to 4,928.90, 7,382.49 and 4,074.91

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Solution

The fourth proportional to 4,928.90, 7,382.49 and 4,074.91 is: 6,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.90 : 7,382.49 = 4,074.91 : x
  2. Step 2: Convert to fraction form
    4,928.90/7,382.49 = 4,074.91/x
  3. Step 3: Cross multiply
    4,928.90x = 7,382.49 × 4,074.91
  4. Step 4: Simplify right side
    4,928.90x = 30,082,971.51
  5. Step 5: Solve for x
    x = 30,082,971.51/4,928.90
  6. Step 6: Final answer
    x = 6,103.38

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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.