Home / 5,049.15-6,971.25-3,161.49

Finding the Fourth Proportional to 5,049.15, 6,971.25 and 3,161.49

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Solution

The fourth proportional to 5,049.15, 6,971.25 and 3,161.49 is: 4,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.15 : 6,971.25 = 3,161.49 : x
  2. Step 2: Convert to fraction form
    5,049.15/6,971.25 = 3,161.49/x
  3. Step 3: Cross multiply
    5,049.15x = 6,971.25 × 3,161.49
  4. Step 4: Simplify right side
    5,049.15x = 22,039,537.16
  5. Step 5: Solve for x
    x = 22,039,537.16/5,049.15
  6. Step 6: Final answer
    x = 4,365.00

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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.