Home / 3,815.75-5,262.68-2,416.07

Finding the Fourth Proportional to 3,815.75, 5,262.68 and 2,416.07

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Solution

The fourth proportional to 3,815.75, 5,262.68 and 2,416.07 is: 3,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.75 : 5,262.68 = 2,416.07 : x
  2. Step 2: Convert to fraction form
    3,815.75/5,262.68 = 2,416.07/x
  3. Step 3: Cross multiply
    3,815.75x = 5,262.68 × 2,416.07
  4. Step 4: Simplify right side
    3,815.75x = 12,714,964.87
  5. Step 5: Solve for x
    x = 12,714,964.87/3,815.75
  6. Step 6: Final answer
    x = 3,332.24

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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.