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Finding the Fourth Proportional to 3,660.59, 5,492.12 and 1,162.19

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Solution

The fourth proportional to 3,660.59, 5,492.12 and 1,162.19 is: 1,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.59 : 5,492.12 = 1,162.19 : x
  2. Step 2: Convert to fraction form
    3,660.59/5,492.12 = 1,162.19/x
  3. Step 3: Cross multiply
    3,660.59x = 5,492.12 × 1,162.19
  4. Step 4: Simplify right side
    3,660.59x = 6,382,886.94
  5. Step 5: Solve for x
    x = 6,382,886.94/3,660.59
  6. Step 6: Final answer
    x = 1,743.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.