Home / 3,603.49-4,976.91-2,422.51

Finding the Fourth Proportional to 3,603.49, 4,976.91 and 2,422.51

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Solution

The fourth proportional to 3,603.49, 4,976.91 and 2,422.51 is: 3,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.49 : 4,976.91 = 2,422.51 : x
  2. Step 2: Convert to fraction form
    3,603.49/4,976.91 = 2,422.51/x
  3. Step 3: Cross multiply
    3,603.49x = 4,976.91 × 2,422.51
  4. Step 4: Simplify right side
    3,603.49x = 12,056,614.24
  5. Step 5: Solve for x
    x = 12,056,614.24/3,603.49
  6. Step 6: Final answer
    x = 3,345.82

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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.