Home / 3,631.27-5,447.67-1,132.40

Finding the Fourth Proportional to 3,631.27, 5,447.67 and 1,132.40

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Solution

The fourth proportional to 3,631.27, 5,447.67 and 1,132.40 is: 1,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.27 : 5,447.67 = 1,132.40 : x
  2. Step 2: Convert to fraction form
    3,631.27/5,447.67 = 1,132.40/x
  3. Step 3: Cross multiply
    3,631.27x = 5,447.67 × 1,132.40
  4. Step 4: Simplify right side
    3,631.27x = 6,168,920.24
  5. Step 5: Solve for x
    x = 6,168,920.24/3,631.27
  6. Step 6: Final answer
    x = 1,698.83

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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.