Home / 4,947.35-6,826.47-2,851.07

Finding the Fourth Proportional to 4,947.35, 6,826.47 and 2,851.07

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Solution

The fourth proportional to 4,947.35, 6,826.47 and 2,851.07 is: 3,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.35 : 6,826.47 = 2,851.07 : x
  2. Step 2: Convert to fraction form
    4,947.35/6,826.47 = 2,851.07/x
  3. Step 3: Cross multiply
    4,947.35x = 6,826.47 × 2,851.07
  4. Step 4: Simplify right side
    4,947.35x = 19,462,709.69
  5. Step 5: Solve for x
    x = 19,462,709.69/4,947.35
  6. Step 6: Final answer
    x = 3,933.97

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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.