Home / 7,587.54-11,382.12-3,689.82

Finding the Fourth Proportional to 7,587.54, 11,382.12 and 3,689.82

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Solution

The fourth proportional to 7,587.54, 11,382.12 and 3,689.82 is: 5,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.54 : 11,382.12 = 3,689.82 : x
  2. Step 2: Convert to fraction form
    7,587.54/11,382.12 = 3,689.82/x
  3. Step 3: Cross multiply
    7,587.54x = 11,382.12 × 3,689.82
  4. Step 4: Simplify right side
    7,587.54x = 41,997,974.02
  5. Step 5: Solve for x
    x = 41,997,974.02/7,587.54
  6. Step 6: Final answer
    x = 5,535.12

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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.