Home / 4,947.86-6,826.92-2,958.08

Finding the Fourth Proportional to 4,947.86, 6,826.92 and 2,958.08

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Solution

The fourth proportional to 4,947.86, 6,826.92 and 2,958.08 is: 4,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.86 : 6,826.92 = 2,958.08 : x
  2. Step 2: Convert to fraction form
    4,947.86/6,826.92 = 2,958.08/x
  3. Step 3: Cross multiply
    4,947.86x = 6,826.92 × 2,958.08
  4. Step 4: Simplify right side
    4,947.86x = 20,194,575.51
  5. Step 5: Solve for x
    x = 20,194,575.51/4,947.86
  6. Step 6: Final answer
    x = 4,081.48

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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.