Home / 4,867.82-6,716.40-2,877.56

Finding the Fourth Proportional to 4,867.82, 6,716.40 and 2,877.56

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Solution

The fourth proportional to 4,867.82, 6,716.40 and 2,877.56 is: 3,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.82 : 6,716.40 = 2,877.56 : x
  2. Step 2: Convert to fraction form
    4,867.82/6,716.40 = 2,877.56/x
  3. Step 3: Cross multiply
    4,867.82x = 6,716.40 × 2,877.56
  4. Step 4: Simplify right side
    4,867.82x = 19,326,843.98
  5. Step 5: Solve for x
    x = 19,326,843.98/4,867.82
  6. Step 6: Final answer
    x = 3,970.33

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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.