Home / 3,424.12-4,725.28-1,932.04

Finding the Fourth Proportional to 3,424.12, 4,725.28 and 1,932.04

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Solution

The fourth proportional to 3,424.12, 4,725.28 and 1,932.04 is: 2,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.12 : 4,725.28 = 1,932.04 : x
  2. Step 2: Convert to fraction form
    3,424.12/4,725.28 = 1,932.04/x
  3. Step 3: Cross multiply
    3,424.12x = 4,725.28 × 1,932.04
  4. Step 4: Simplify right side
    3,424.12x = 9,129,406.34
  5. Step 5: Solve for x
    x = 9,129,406.34/3,424.12
  6. Step 6: Final answer
    x = 2,666.21

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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.