Home / 2,882.16-3,976.20-1,833.84

Finding the Fourth Proportional to 2,882.16, 3,976.20 and 1,833.84

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Solution

The fourth proportional to 2,882.16, 3,976.20 and 1,833.84 is: 2,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.16 : 3,976.20 = 1,833.84 : x
  2. Step 2: Convert to fraction form
    2,882.16/3,976.20 = 1,833.84/x
  3. Step 3: Cross multiply
    2,882.16x = 3,976.20 × 1,833.84
  4. Step 4: Simplify right side
    2,882.16x = 7,291,714.61
  5. Step 5: Solve for x
    x = 7,291,714.61/2,882.16
  6. Step 6: Final answer
    x = 2,529.95

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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.