Home / 5,231.08-7,220.14-2,994.25

Finding the Fourth Proportional to 5,231.08, 7,220.14 and 2,994.25

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Solution

The fourth proportional to 5,231.08, 7,220.14 and 2,994.25 is: 4,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.08 : 7,220.14 = 2,994.25 : x
  2. Step 2: Convert to fraction form
    5,231.08/7,220.14 = 2,994.25/x
  3. Step 3: Cross multiply
    5,231.08x = 7,220.14 × 2,994.25
  4. Step 4: Simplify right side
    5,231.08x = 21,618,892.20
  5. Step 5: Solve for x
    x = 21,618,892.20/5,231.08
  6. Step 6: Final answer
    x = 4,132.78

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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.