Home / 2,776.41-3,828.20-2,304.86

Finding the Fourth Proportional to 2,776.41, 3,828.20 and 2,304.86

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Solution

The fourth proportional to 2,776.41, 3,828.20 and 2,304.86 is: 3,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.41 : 3,828.20 = 2,304.86 : x
  2. Step 2: Convert to fraction form
    2,776.41/3,828.20 = 2,304.86/x
  3. Step 3: Cross multiply
    2,776.41x = 3,828.20 × 2,304.86
  4. Step 4: Simplify right side
    2,776.41x = 8,823,434.39
  5. Step 5: Solve for x
    x = 8,823,434.39/2,776.41
  6. Step 6: Final answer
    x = 3,178.00

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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.