Home / 7,481.07-10,323.55-4,788.49

Finding the Fourth Proportional to 7,481.07, 10,323.55 and 4,788.49

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Solution

The fourth proportional to 7,481.07, 10,323.55 and 4,788.49 is: 6,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.07 : 10,323.55 = 4,788.49 : x
  2. Step 2: Convert to fraction form
    7,481.07/10,323.55 = 4,788.49/x
  3. Step 3: Cross multiply
    7,481.07x = 10,323.55 × 4,788.49
  4. Step 4: Simplify right side
    7,481.07x = 49,434,215.94
  5. Step 5: Solve for x
    x = 49,434,215.94/7,481.07
  6. Step 6: Final answer
    x = 6,607.91

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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.