Home / 3,031.12-4,545.48-1,183.12

Finding the Fourth Proportional to 3,031.12, 4,545.48 and 1,183.12

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Solution

The fourth proportional to 3,031.12, 4,545.48 and 1,183.12 is: 1,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.12 : 4,545.48 = 1,183.12 : x
  2. Step 2: Convert to fraction form
    3,031.12/4,545.48 = 1,183.12/x
  3. Step 3: Cross multiply
    3,031.12x = 4,545.48 × 1,183.12
  4. Step 4: Simplify right side
    3,031.12x = 5,377,848.30
  5. Step 5: Solve for x
    x = 5,377,848.30/3,031.12
  6. Step 6: Final answer
    x = 1,774.21

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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.