Home / 5,074.12-7,612.35-2,152.54

Finding the Fourth Proportional to 5,074.12, 7,612.35 and 2,152.54

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Solution

The fourth proportional to 5,074.12, 7,612.35 and 2,152.54 is: 3,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.12 : 7,612.35 = 2,152.54 : x
  2. Step 2: Convert to fraction form
    5,074.12/7,612.35 = 2,152.54/x
  3. Step 3: Cross multiply
    5,074.12x = 7,612.35 × 2,152.54
  4. Step 4: Simplify right side
    5,074.12x = 16,385,887.87
  5. Step 5: Solve for x
    x = 16,385,887.87/5,074.12
  6. Step 6: Final answer
    x = 3,229.31

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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.