Home / 3,816.48-5,723.88-2,176.12

Finding the Fourth Proportional to 3,816.48, 5,723.88 and 2,176.12

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Solution

The fourth proportional to 3,816.48, 5,723.88 and 2,176.12 is: 3,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.48 : 5,723.88 = 2,176.12 : x
  2. Step 2: Convert to fraction form
    3,816.48/5,723.88 = 2,176.12/x
  3. Step 3: Cross multiply
    3,816.48x = 5,723.88 × 2,176.12
  4. Step 4: Simplify right side
    3,816.48x = 12,455,849.75
  5. Step 5: Solve for x
    x = 12,455,849.75/3,816.48
  6. Step 6: Final answer
    x = 3,263.70

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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.