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Finding the Fourth Proportional to 3,729.57, 5,595.04 and 1,230.90

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Solution

The fourth proportional to 3,729.57, 5,595.04 and 1,230.90 is: 1,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.57 : 5,595.04 = 1,230.90 : x
  2. Step 2: Convert to fraction form
    3,729.57/5,595.04 = 1,230.90/x
  3. Step 3: Cross multiply
    3,729.57x = 5,595.04 × 1,230.90
  4. Step 4: Simplify right side
    3,729.57x = 6,886,934.74
  5. Step 5: Solve for x
    x = 6,886,934.74/3,729.57
  6. Step 6: Final answer
    x = 1,846.58

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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.