Home / 3,772.18-5,205.90-2,200.51

Finding the Fourth Proportional to 3,772.18, 5,205.90 and 2,200.51

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Solution

The fourth proportional to 3,772.18, 5,205.90 and 2,200.51 is: 3,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.18 : 5,205.90 = 2,200.51 : x
  2. Step 2: Convert to fraction form
    3,772.18/5,205.90 = 2,200.51/x
  3. Step 3: Cross multiply
    3,772.18x = 5,205.90 × 2,200.51
  4. Step 4: Simplify right side
    3,772.18x = 11,455,635.01
  5. Step 5: Solve for x
    x = 11,455,635.01/3,772.18
  6. Step 6: Final answer
    x = 3,036.87

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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.