Home / 3,606.39-4,971.38-2,819.07

Finding the Fourth Proportional to 3,606.39, 4,971.38 and 2,819.07

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Solution

The fourth proportional to 3,606.39, 4,971.38 and 2,819.07 is: 3,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.39 : 4,971.38 = 2,819.07 : x
  2. Step 2: Convert to fraction form
    3,606.39/4,971.38 = 2,819.07/x
  3. Step 3: Cross multiply
    3,606.39x = 4,971.38 × 2,819.07
  4. Step 4: Simplify right side
    3,606.39x = 14,014,654.12
  5. Step 5: Solve for x
    x = 14,014,654.12/3,606.39
  6. Step 6: Final answer
    x = 3,886.06

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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.