Home / 5,691.15-7,854.27-3,173.16

Finding the Fourth Proportional to 5,691.15, 7,854.27 and 3,173.16

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Solution

The fourth proportional to 5,691.15, 7,854.27 and 3,173.16 is: 4,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.15 : 7,854.27 = 3,173.16 : x
  2. Step 2: Convert to fraction form
    5,691.15/7,854.27 = 3,173.16/x
  3. Step 3: Cross multiply
    5,691.15x = 7,854.27 × 3,173.16
  4. Step 4: Simplify right side
    5,691.15x = 24,922,855.39
  5. Step 5: Solve for x
    x = 24,922,855.39/5,691.15
  6. Step 6: Final answer
    x = 4,379.23

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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.