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Finding the Fourth Proportional to 5,492.79, 7,579.57 and 3,254.26

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Solution

The fourth proportional to 5,492.79, 7,579.57 and 3,254.26 is: 4,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.79 : 7,579.57 = 3,254.26 : x
  2. Step 2: Convert to fraction form
    5,492.79/7,579.57 = 3,254.26/x
  3. Step 3: Cross multiply
    5,492.79x = 7,579.57 × 3,254.26
  4. Step 4: Simplify right side
    5,492.79x = 24,665,891.47
  5. Step 5: Solve for x
    x = 24,665,891.47/5,492.79
  6. Step 6: Final answer
    x = 4,490.59

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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.