Home / 7,104.38-9,804.08-3,960.59

Finding the Fourth Proportional to 7,104.38, 9,804.08 and 3,960.59

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Solution

The fourth proportional to 7,104.38, 9,804.08 and 3,960.59 is: 5,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.38 : 9,804.08 = 3,960.59 : x
  2. Step 2: Convert to fraction form
    7,104.38/9,804.08 = 3,960.59/x
  3. Step 3: Cross multiply
    7,104.38x = 9,804.08 × 3,960.59
  4. Step 4: Simplify right side
    7,104.38x = 38,829,902.09
  5. Step 5: Solve for x
    x = 38,829,902.09/7,104.38
  6. Step 6: Final answer
    x = 5,465.63

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1.5x scale

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.