Home / 5,362.11-7,398.45-3,122.64

Finding the Fourth Proportional to 5,362.11, 7,398.45 and 3,122.64

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Solution

The fourth proportional to 5,362.11, 7,398.45 and 3,122.64 is: 4,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.11 : 7,398.45 = 3,122.64 : x
  2. Step 2: Convert to fraction form
    5,362.11/7,398.45 = 3,122.64/x
  3. Step 3: Cross multiply
    5,362.11x = 7,398.45 × 3,122.64
  4. Step 4: Simplify right side
    5,362.11x = 23,102,695.91
  5. Step 5: Solve for x
    x = 23,102,695.91/5,362.11
  6. Step 6: Final answer
    x = 4,308.51

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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.