Home / 3,083.28-4,256.58-1,824.72

Finding the Fourth Proportional to 3,083.28, 4,256.58 and 1,824.72

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Solution

The fourth proportional to 3,083.28, 4,256.58 and 1,824.72 is: 2,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.28 : 4,256.58 = 1,824.72 : x
  2. Step 2: Convert to fraction form
    3,083.28/4,256.58 = 1,824.72/x
  3. Step 3: Cross multiply
    3,083.28x = 4,256.58 × 1,824.72
  4. Step 4: Simplify right side
    3,083.28x = 7,767,066.66
  5. Step 5: Solve for x
    x = 7,767,066.66/3,083.28
  6. Step 6: Final answer
    x = 2,519.09

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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.