Home / 5,106.14-7,050.96-3,221.09

Finding the Fourth Proportional to 5,106.14, 7,050.96 and 3,221.09

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Solution

The fourth proportional to 5,106.14, 7,050.96 and 3,221.09 is: 4,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.14 : 7,050.96 = 3,221.09 : x
  2. Step 2: Convert to fraction form
    5,106.14/7,050.96 = 3,221.09/x
  3. Step 3: Cross multiply
    5,106.14x = 7,050.96 × 3,221.09
  4. Step 4: Simplify right side
    5,106.14x = 22,711,741.49
  5. Step 5: Solve for x
    x = 22,711,741.49/5,106.14
  6. Step 6: Final answer
    x = 4,447.93

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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.