Home / 7,579.87-11,363.07-4,071.76

Finding the Fourth Proportional to 7,579.87, 11,363.07 and 4,071.76

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Solution

The fourth proportional to 7,579.87, 11,363.07 and 4,071.76 is: 6,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.87 : 11,363.07 = 4,071.76 : x
  2. Step 2: Convert to fraction form
    7,579.87/11,363.07 = 4,071.76/x
  3. Step 3: Cross multiply
    7,579.87x = 11,363.07 × 4,071.76
  4. Step 4: Simplify right side
    7,579.87x = 46,267,693.90
  5. Step 5: Solve for x
    x = 46,267,693.90/7,579.87
  6. Step 6: Final answer
    x = 6,104.02

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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.