Home / 4,912.90-7,363.55-4,858.09

Finding the Fourth Proportional to 4,912.90, 7,363.55 and 4,858.09

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Solution

The fourth proportional to 4,912.90, 7,363.55 and 4,858.09 is: 7,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.90 : 7,363.55 = 4,858.09 : x
  2. Step 2: Convert to fraction form
    4,912.90/7,363.55 = 4,858.09/x
  3. Step 3: Cross multiply
    4,912.90x = 7,363.55 × 4,858.09
  4. Step 4: Simplify right side
    4,912.90x = 35,772,764.33
  5. Step 5: Solve for x
    x = 35,772,764.33/4,912.90
  6. Step 6: Final answer
    x = 7,281.39

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1.5x scale

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.