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Finding the Fourth Proportional to 5,519.73, 7,612.04 and 4,258.78

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Solution

The fourth proportional to 5,519.73, 7,612.04 and 4,258.78 is: 5,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.73 : 7,612.04 = 4,258.78 : x
  2. Step 2: Convert to fraction form
    5,519.73/7,612.04 = 4,258.78/x
  3. Step 3: Cross multiply
    5,519.73x = 7,612.04 × 4,258.78
  4. Step 4: Simplify right side
    5,519.73x = 32,418,003.71
  5. Step 5: Solve for x
    x = 32,418,003.71/5,519.73
  6. Step 6: Final answer
    x = 5,873.11

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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.