Home / 3,167.06-4,365.14-2,170.58

Finding the Fourth Proportional to 3,167.06, 4,365.14 and 2,170.58

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Solution

The fourth proportional to 3,167.06, 4,365.14 and 2,170.58 is: 2,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.06 : 4,365.14 = 2,170.58 : x
  2. Step 2: Convert to fraction form
    3,167.06/4,365.14 = 2,170.58/x
  3. Step 3: Cross multiply
    3,167.06x = 4,365.14 × 2,170.58
  4. Step 4: Simplify right side
    3,167.06x = 9,474,885.58
  5. Step 5: Solve for x
    x = 9,474,885.58/3,167.06
  6. Step 6: Final answer
    x = 2,991.70

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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.