Home / 4,945.96-6,824.94-2,928.94

Finding the Fourth Proportional to 4,945.96, 6,824.94 and 2,928.94

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Solution

The fourth proportional to 4,945.96, 6,824.94 and 2,928.94 is: 4,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.96 : 6,824.94 = 2,928.94 : x
  2. Step 2: Convert to fraction form
    4,945.96/6,824.94 = 2,928.94/x
  3. Step 3: Cross multiply
    4,945.96x = 6,824.94 × 2,928.94
  4. Step 4: Simplify right side
    4,945.96x = 19,989,839.76
  5. Step 5: Solve for x
    x = 19,989,839.76/4,945.96
  6. Step 6: Final answer
    x = 4,041.65

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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.