Home / 7,730.11-10,661.62-4,743.43

Finding the Fourth Proportional to 7,730.11, 10,661.62 and 4,743.43

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Solution

The fourth proportional to 7,730.11, 10,661.62 and 4,743.43 is: 6,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.11 : 10,661.62 = 4,743.43 : x
  2. Step 2: Convert to fraction form
    7,730.11/10,661.62 = 4,743.43/x
  3. Step 3: Cross multiply
    7,730.11x = 10,661.62 × 4,743.43
  4. Step 4: Simplify right side
    7,730.11x = 50,572,648.16
  5. Step 5: Solve for x
    x = 50,572,648.16/7,730.11
  6. Step 6: Final answer
    x = 6,542.29

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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.