Home / 7,285.25-10,929.63-2,091.08

Finding the Fourth Proportional to 7,285.25, 10,929.63 and 2,091.08

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Solution

The fourth proportional to 7,285.25, 10,929.63 and 2,091.08 is: 3,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.25 : 10,929.63 = 2,091.08 : x
  2. Step 2: Convert to fraction form
    7,285.25/10,929.63 = 2,091.08/x
  3. Step 3: Cross multiply
    7,285.25x = 10,929.63 × 2,091.08
  4. Step 4: Simplify right side
    7,285.25x = 22,854,730.70
  5. Step 5: Solve for x
    x = 22,854,730.70/7,285.25
  6. Step 6: Final answer
    x = 3,137.12

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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.