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Finding the Fourth Proportional to 3,809.54, 5,258.62 and 2,483.57

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Solution

The fourth proportional to 3,809.54, 5,258.62 and 2,483.57 is: 3,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.54 : 5,258.62 = 2,483.57 : x
  2. Step 2: Convert to fraction form
    3,809.54/5,258.62 = 2,483.57/x
  3. Step 3: Cross multiply
    3,809.54x = 5,258.62 × 2,483.57
  4. Step 4: Simplify right side
    3,809.54x = 13,060,167.12
  5. Step 5: Solve for x
    x = 13,060,167.12/3,809.54
  6. Step 6: Final answer
    x = 3,428.28

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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.