Home / 4,451.92-6,143.74-2,882.75

Finding the Fourth Proportional to 4,451.92, 6,143.74 and 2,882.75

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Solution

The fourth proportional to 4,451.92, 6,143.74 and 2,882.75 is: 3,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.92 : 6,143.74 = 2,882.75 : x
  2. Step 2: Convert to fraction form
    4,451.92/6,143.74 = 2,882.75/x
  3. Step 3: Cross multiply
    4,451.92x = 6,143.74 × 2,882.75
  4. Step 4: Simplify right side
    4,451.92x = 17,710,828.56
  5. Step 5: Solve for x
    x = 17,710,828.56/4,451.92
  6. Step 6: Final answer
    x = 3,978.25

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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.