Home / 4,944.24-6,821.40-3,081.12

Finding the Fourth Proportional to 4,944.24, 6,821.40 and 3,081.12

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Solution

The fourth proportional to 4,944.24, 6,821.40 and 3,081.12 is: 4,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.24 : 6,821.40 = 3,081.12 : x
  2. Step 2: Convert to fraction form
    4,944.24/6,821.40 = 3,081.12/x
  3. Step 3: Cross multiply
    4,944.24x = 6,821.40 × 3,081.12
  4. Step 4: Simplify right side
    4,944.24x = 21,017,551.97
  5. Step 5: Solve for x
    x = 21,017,551.97/4,944.24
  6. Step 6: Final answer
    x = 4,250.92

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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.