Home / 2,928.27-4,043.48-2,091.54

Finding the Fourth Proportional to 2,928.27, 4,043.48 and 2,091.54

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Solution

The fourth proportional to 2,928.27, 4,043.48 and 2,091.54 is: 2,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.27 : 4,043.48 = 2,091.54 : x
  2. Step 2: Convert to fraction form
    2,928.27/4,043.48 = 2,091.54/x
  3. Step 3: Cross multiply
    2,928.27x = 4,043.48 × 2,091.54
  4. Step 4: Simplify right side
    2,928.27x = 8,457,089.70
  5. Step 5: Solve for x
    x = 8,457,089.70/2,928.27
  6. Step 6: Final answer
    x = 2,888.08

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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.