Home / 7,790.37-10,750.97-4,253.85

Finding the Fourth Proportional to 7,790.37, 10,750.97 and 4,253.85

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Solution

The fourth proportional to 7,790.37, 10,750.97 and 4,253.85 is: 5,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.37 : 10,750.97 = 4,253.85 : x
  2. Step 2: Convert to fraction form
    7,790.37/10,750.97 = 4,253.85/x
  3. Step 3: Cross multiply
    7,790.37x = 10,750.97 × 4,253.85
  4. Step 4: Simplify right side
    7,790.37x = 45,733,013.73
  5. Step 5: Solve for x
    x = 45,733,013.73/7,790.37
  6. Step 6: Final answer
    x = 5,870.45

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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.