Home / 4,808.98-6,636.45-2,819.03

Finding the Fourth Proportional to 4,808.98, 6,636.45 and 2,819.03

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Solution

The fourth proportional to 4,808.98, 6,636.45 and 2,819.03 is: 3,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.98 : 6,636.45 = 2,819.03 : x
  2. Step 2: Convert to fraction form
    4,808.98/6,636.45 = 2,819.03/x
  3. Step 3: Cross multiply
    4,808.98x = 6,636.45 × 2,819.03
  4. Step 4: Simplify right side
    4,808.98x = 18,708,351.64
  5. Step 5: Solve for x
    x = 18,708,351.64/4,808.98
  6. Step 6: Final answer
    x = 3,890.30

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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.