Home / 7,455.52-11,180.22-2,775.84

Finding the Fourth Proportional to 7,455.52, 11,180.22 and 2,775.84

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Solution

The fourth proportional to 7,455.52, 11,180.22 and 2,775.84 is: 4,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.52 : 11,180.22 = 2,775.84 : x
  2. Step 2: Convert to fraction form
    7,455.52/11,180.22 = 2,775.84/x
  3. Step 3: Cross multiply
    7,455.52x = 11,180.22 × 2,775.84
  4. Step 4: Simplify right side
    7,455.52x = 31,034,501.88
  5. Step 5: Solve for x
    x = 31,034,501.88/7,455.52
  6. Step 6: Final answer
    x = 4,162.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.