Home / 7,716.54-10,648.82-4,179.77

Finding the Fourth Proportional to 7,716.54, 10,648.82 and 4,179.77

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Solution

The fourth proportional to 7,716.54, 10,648.82 and 4,179.77 is: 5,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.54 : 10,648.82 = 4,179.77 : x
  2. Step 2: Convert to fraction form
    7,716.54/10,648.82 = 4,179.77/x
  3. Step 3: Cross multiply
    7,716.54x = 10,648.82 × 4,179.77
  4. Step 4: Simplify right side
    7,716.54x = 44,509,618.37
  5. Step 5: Solve for x
    x = 44,509,618.37/7,716.54
  6. Step 6: Final answer
    x = 5,768.08

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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.