Home / 7,717.26-10,647.32-4,731.60

Finding the Fourth Proportional to 7,717.26, 10,647.32 and 4,731.60

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Solution

The fourth proportional to 7,717.26, 10,647.32 and 4,731.60 is: 6,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.26 : 10,647.32 = 4,731.60 : x
  2. Step 2: Convert to fraction form
    7,717.26/10,647.32 = 4,731.60/x
  3. Step 3: Cross multiply
    7,717.26x = 10,647.32 × 4,731.60
  4. Step 4: Simplify right side
    7,717.26x = 50,378,859.31
  5. Step 5: Solve for x
    x = 50,378,859.31/7,717.26
  6. Step 6: Final answer
    x = 6,528.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.