Home / 7,330.39-10,115.92-3,973.29

Finding the Fourth Proportional to 7,330.39, 10,115.92 and 3,973.29

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Solution

The fourth proportional to 7,330.39, 10,115.92 and 3,973.29 is: 5,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.39 : 10,115.92 = 3,973.29 : x
  2. Step 2: Convert to fraction form
    7,330.39/10,115.92 = 3,973.29/x
  3. Step 3: Cross multiply
    7,330.39x = 10,115.92 × 3,973.29
  4. Step 4: Simplify right side
    7,330.39x = 40,193,483.78
  5. Step 5: Solve for x
    x = 40,193,483.78/7,330.39
  6. Step 6: Final answer
    x = 5,483.13

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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.