Home / 3,579.12-4,936.32-2,397.96

Finding the Fourth Proportional to 3,579.12, 4,936.32 and 2,397.96

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Solution

The fourth proportional to 3,579.12, 4,936.32 and 2,397.96 is: 3,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.12 : 4,936.32 = 2,397.96 : x
  2. Step 2: Convert to fraction form
    3,579.12/4,936.32 = 2,397.96/x
  3. Step 3: Cross multiply
    3,579.12x = 4,936.32 × 2,397.96
  4. Step 4: Simplify right side
    3,579.12x = 11,837,097.91
  5. Step 5: Solve for x
    x = 11,837,097.91/3,579.12
  6. Step 6: Final answer
    x = 3,307.26

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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.