Home / 1,637.82-2,455.92-1,482.30

Finding the Fourth Proportional to 1,637.82, 2,455.92 and 1,482.30

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Solution

The fourth proportional to 1,637.82, 2,455.92 and 1,482.30 is: 2,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.82 : 2,455.92 = 1,482.30 : x
  2. Step 2: Convert to fraction form
    1,637.82/2,455.92 = 1,482.30/x
  3. Step 3: Cross multiply
    1,637.82x = 2,455.92 × 1,482.30
  4. Step 4: Simplify right side
    1,637.82x = 3,640,410.22
  5. Step 5: Solve for x
    x = 3,640,410.22/1,637.82
  6. Step 6: Final answer
    x = 2,222.72

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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.