Home / 3,476.36-5,216.97-2,381.78

Finding the Fourth Proportional to 3,476.36, 5,216.97 and 2,381.78

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Solution

The fourth proportional to 3,476.36, 5,216.97 and 2,381.78 is: 3,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.36 : 5,216.97 = 2,381.78 : x
  2. Step 2: Convert to fraction form
    3,476.36/5,216.97 = 2,381.78/x
  3. Step 3: Cross multiply
    3,476.36x = 5,216.97 × 2,381.78
  4. Step 4: Simplify right side
    3,476.36x = 12,425,674.81
  5. Step 5: Solve for x
    x = 12,425,674.81/3,476.36
  6. Step 6: Final answer
    x = 3,574.33

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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.