Home / 5,199.31-7,167.97-3,783.07

Finding the Fourth Proportional to 5,199.31, 7,167.97 and 3,783.07

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Solution

The fourth proportional to 5,199.31, 7,167.97 and 3,783.07 is: 5,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.31 : 7,167.97 = 3,783.07 : x
  2. Step 2: Convert to fraction form
    5,199.31/7,167.97 = 3,783.07/x
  3. Step 3: Cross multiply
    5,199.31x = 7,167.97 × 3,783.07
  4. Step 4: Simplify right side
    5,199.31x = 27,116,932.27
  5. Step 5: Solve for x
    x = 27,116,932.27/5,199.31
  6. Step 6: Final answer
    x = 5,215.49

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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.