Home / 4,456.91-6,682.32-2,261.40

Finding the Fourth Proportional to 4,456.91, 6,682.32 and 2,261.40

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Solution

The fourth proportional to 4,456.91, 6,682.32 and 2,261.40 is: 3,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.91 : 6,682.32 = 2,261.40 : x
  2. Step 2: Convert to fraction form
    4,456.91/6,682.32 = 2,261.40/x
  3. Step 3: Cross multiply
    4,456.91x = 6,682.32 × 2,261.40
  4. Step 4: Simplify right side
    4,456.91x = 15,111,398.45
  5. Step 5: Solve for x
    x = 15,111,398.45/4,456.91
  6. Step 6: Final answer
    x = 3,390.56

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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.