Home / 5,052.11-6,971.92-2,928.05

Finding the Fourth Proportional to 5,052.11, 6,971.92 and 2,928.05

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Solution

The fourth proportional to 5,052.11, 6,971.92 and 2,928.05 is: 4,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.11 : 6,971.92 = 2,928.05 : x
  2. Step 2: Convert to fraction form
    5,052.11/6,971.92 = 2,928.05/x
  3. Step 3: Cross multiply
    5,052.11x = 6,971.92 × 2,928.05
  4. Step 4: Simplify right side
    5,052.11x = 20,414,109.27
  5. Step 5: Solve for x
    x = 20,414,109.27/5,052.11
  6. Step 6: Final answer
    x = 4,040.71

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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.