Home / 4,788.86-6,608.72-2,900.75

Finding the Fourth Proportional to 4,788.86, 6,608.72 and 2,900.75

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Solution

The fourth proportional to 4,788.86, 6,608.72 and 2,900.75 is: 4,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.86 : 6,608.72 = 2,900.75 : x
  2. Step 2: Convert to fraction form
    4,788.86/6,608.72 = 2,900.75/x
  3. Step 3: Cross multiply
    4,788.86x = 6,608.72 × 2,900.75
  4. Step 4: Simplify right side
    4,788.86x = 19,170,218.75
  5. Step 5: Solve for x
    x = 19,170,218.75/4,788.86
  6. Step 6: Final answer
    x = 4,003.09

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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.