Home / 4,775.81-7,162.64-2,005.61

Finding the Fourth Proportional to 4,775.81, 7,162.64 and 2,005.61

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Solution

The fourth proportional to 4,775.81, 7,162.64 and 2,005.61 is: 3,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.81 : 7,162.64 = 2,005.61 : x
  2. Step 2: Convert to fraction form
    4,775.81/7,162.64 = 2,005.61/x
  3. Step 3: Cross multiply
    4,775.81x = 7,162.64 × 2,005.61
  4. Step 4: Simplify right side
    4,775.81x = 14,365,416.57
  5. Step 5: Solve for x
    x = 14,365,416.57/4,775.81
  6. Step 6: Final answer
    x = 3,007.96

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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.