Home / 6,603.29-9,112.54-3,619.13

Finding the Fourth Proportional to 6,603.29, 9,112.54 and 3,619.13

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Solution

The fourth proportional to 6,603.29, 9,112.54 and 3,619.13 is: 4,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.29 : 9,112.54 = 3,619.13 : x
  2. Step 2: Convert to fraction form
    6,603.29/9,112.54 = 3,619.13/x
  3. Step 3: Cross multiply
    6,603.29x = 9,112.54 × 3,619.13
  4. Step 4: Simplify right side
    6,603.29x = 32,979,480.62
  5. Step 5: Solve for x
    x = 32,979,480.62/6,603.29
  6. Step 6: Final answer
    x = 4,994.41

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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.