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Finding the Fourth Proportional to 5,492.73, 7,579.28 and 3,102.39

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Solution

The fourth proportional to 5,492.73, 7,579.28 and 3,102.39 is: 4,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.73 : 7,579.28 = 3,102.39 : x
  2. Step 2: Convert to fraction form
    5,492.73/7,579.28 = 3,102.39/x
  3. Step 3: Cross multiply
    5,492.73x = 7,579.28 × 3,102.39
  4. Step 4: Simplify right side
    5,492.73x = 23,513,866.97
  5. Step 5: Solve for x
    x = 23,513,866.97/5,492.73
  6. Step 6: Final answer
    x = 4,280.91

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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.