Home / 7,579.90-11,345.52-4,061.14

Finding the Fourth Proportional to 7,579.90, 11,345.52 and 4,061.14

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Solution

The fourth proportional to 7,579.90, 11,345.52 and 4,061.14 is: 6,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.90 : 11,345.52 = 4,061.14 : x
  2. Step 2: Convert to fraction form
    7,579.90/11,345.52 = 4,061.14/x
  3. Step 3: Cross multiply
    7,579.90x = 11,345.52 × 4,061.14
  4. Step 4: Simplify right side
    7,579.90x = 46,075,745.09
  5. Step 5: Solve for x
    x = 46,075,745.09/7,579.90
  6. Step 6: Final answer
    x = 6,078.67

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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.