Home / 4,932.11-7,398.55-1,645.20

Finding the Fourth Proportional to 4,932.11, 7,398.55 and 1,645.20

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Solution

The fourth proportional to 4,932.11, 7,398.55 and 1,645.20 is: 2,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.11 : 7,398.55 = 1,645.20 : x
  2. Step 2: Convert to fraction form
    4,932.11/7,398.55 = 1,645.20/x
  3. Step 3: Cross multiply
    4,932.11x = 7,398.55 × 1,645.20
  4. Step 4: Simplify right side
    4,932.11x = 12,172,094.46
  5. Step 5: Solve for x
    x = 12,172,094.46/4,932.11
  6. Step 6: Final answer
    x = 2,467.93

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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.