Home / 3,315.73-4,573.36-2,814.92

Finding the Fourth Proportional to 3,315.73, 4,573.36 and 2,814.92

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Solution

The fourth proportional to 3,315.73, 4,573.36 and 2,814.92 is: 3,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.73 : 4,573.36 = 2,814.92 : x
  2. Step 2: Convert to fraction form
    3,315.73/4,573.36 = 2,814.92/x
  3. Step 3: Cross multiply
    3,315.73x = 4,573.36 × 2,814.92
  4. Step 4: Simplify right side
    3,315.73x = 12,873,640.33
  5. Step 5: Solve for x
    x = 12,873,640.33/3,315.73
  6. Step 6: Final answer
    x = 3,882.60

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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.