Home / 5,253.75-7,876.69-3,173.32

Finding the Fourth Proportional to 5,253.75, 7,876.69 and 3,173.32

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Solution

The fourth proportional to 5,253.75, 7,876.69 and 3,173.32 is: 4,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.75 : 7,876.69 = 3,173.32 : x
  2. Step 2: Convert to fraction form
    5,253.75/7,876.69 = 3,173.32/x
  3. Step 3: Cross multiply
    5,253.75x = 7,876.69 × 3,173.32
  4. Step 4: Simplify right side
    5,253.75x = 24,995,257.91
  5. Step 5: Solve for x
    x = 24,995,257.91/5,253.75
  6. Step 6: Final answer
    x = 4,757.60

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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.