Home / 7,390.54-11,083.42-2,458.86

Finding the Fourth Proportional to 7,390.54, 11,083.42 and 2,458.86

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Solution

The fourth proportional to 7,390.54, 11,083.42 and 2,458.86 is: 3,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.54 : 11,083.42 = 2,458.86 : x
  2. Step 2: Convert to fraction form
    7,390.54/11,083.42 = 2,458.86/x
  3. Step 3: Cross multiply
    7,390.54x = 11,083.42 × 2,458.86
  4. Step 4: Simplify right side
    7,390.54x = 27,252,539.61
  5. Step 5: Solve for x
    x = 27,252,539.61/7,390.54
  6. Step 6: Final answer
    x = 3,687.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.