Home / 5,221.82-7,206.25-2,984.06

Finding the Fourth Proportional to 5,221.82, 7,206.25 and 2,984.06

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Solution

The fourth proportional to 5,221.82, 7,206.25 and 2,984.06 is: 4,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.82 : 7,206.25 = 2,984.06 : x
  2. Step 2: Convert to fraction form
    5,221.82/7,206.25 = 2,984.06/x
  3. Step 3: Cross multiply
    5,221.82x = 7,206.25 × 2,984.06
  4. Step 4: Simplify right side
    5,221.82x = 21,503,882.38
  5. Step 5: Solve for x
    x = 21,503,882.38/5,221.82
  6. Step 6: Final answer
    x = 4,118.08

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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.