Home / 4,801.78-7,204.08-3,486.85

Finding the Fourth Proportional to 4,801.78, 7,204.08 and 3,486.85

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Solution

The fourth proportional to 4,801.78, 7,204.08 and 3,486.85 is: 5,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.78 : 7,204.08 = 3,486.85 : x
  2. Step 2: Convert to fraction form
    4,801.78/7,204.08 = 3,486.85/x
  3. Step 3: Cross multiply
    4,801.78x = 7,204.08 × 3,486.85
  4. Step 4: Simplify right side
    4,801.78x = 25,119,546.35
  5. Step 5: Solve for x
    x = 25,119,546.35/4,801.78
  6. Step 6: Final answer
    x = 5,231.30

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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.