Home / 7,332.39-10,118.68-3,975.29

Finding the Fourth Proportional to 7,332.39, 10,118.68 and 3,975.29

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Solution

The fourth proportional to 7,332.39, 10,118.68 and 3,975.29 is: 5,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.39 : 10,118.68 = 3,975.29 : x
  2. Step 2: Convert to fraction form
    7,332.39/10,118.68 = 3,975.29/x
  3. Step 3: Cross multiply
    7,332.39x = 10,118.68 × 3,975.29
  4. Step 4: Simplify right side
    7,332.39x = 40,224,687.42
  5. Step 5: Solve for x
    x = 40,224,687.42/7,332.39
  6. Step 6: Final answer
    x = 5,485.89

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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.