Home / 3,814.32-5,265.37-2,322.78

Finding the Fourth Proportional to 3,814.32, 5,265.37 and 2,322.78

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Solution

The fourth proportional to 3,814.32, 5,265.37 and 2,322.78 is: 3,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.32 : 5,265.37 = 2,322.78 : x
  2. Step 2: Convert to fraction form
    3,814.32/5,265.37 = 2,322.78/x
  3. Step 3: Cross multiply
    3,814.32x = 5,265.37 × 2,322.78
  4. Step 4: Simplify right side
    3,814.32x = 12,230,296.13
  5. Step 5: Solve for x
    x = 12,230,296.13/3,814.32
  6. Step 6: Final answer
    x = 3,206.42

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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.