Home / 2,482.10-3,424.53-1,433.78

Finding the Fourth Proportional to 2,482.10, 3,424.53 and 1,433.78

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Solution

The fourth proportional to 2,482.10, 3,424.53 and 1,433.78 is: 1,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.10 : 3,424.53 = 1,433.78 : x
  2. Step 2: Convert to fraction form
    2,482.10/3,424.53 = 1,433.78/x
  3. Step 3: Cross multiply
    2,482.10x = 3,424.53 × 1,433.78
  4. Step 4: Simplify right side
    2,482.10x = 4,910,022.62
  5. Step 5: Solve for x
    x = 4,910,022.62/2,482.10
  6. Step 6: Final answer
    x = 1,978.17

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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.