Home / 5,074.90-7,000.91-3,579.54

Finding the Fourth Proportional to 5,074.90, 7,000.91 and 3,579.54

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Solution

The fourth proportional to 5,074.90, 7,000.91 and 3,579.54 is: 4,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.90 : 7,000.91 = 3,579.54 : x
  2. Step 2: Convert to fraction form
    5,074.90/7,000.91 = 3,579.54/x
  3. Step 3: Cross multiply
    5,074.90x = 7,000.91 × 3,579.54
  4. Step 4: Simplify right side
    5,074.90x = 25,060,035.97
  5. Step 5: Solve for x
    x = 25,060,035.97/5,074.90
  6. Step 6: Final answer
    x = 4,938.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.