Home / 7,631.16-11,448.36-2,437.44

Finding the Fourth Proportional to 7,631.16, 11,448.36 and 2,437.44

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Solution

The fourth proportional to 7,631.16, 11,448.36 and 2,437.44 is: 3,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.16 : 11,448.36 = 2,437.44 : x
  2. Step 2: Convert to fraction form
    7,631.16/11,448.36 = 2,437.44/x
  3. Step 3: Cross multiply
    7,631.16x = 11,448.36 × 2,437.44
  4. Step 4: Simplify right side
    7,631.16x = 27,904,690.60
  5. Step 5: Solve for x
    x = 27,904,690.60/7,631.16
  6. Step 6: Final answer
    x = 3,656.68

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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.