Home / 7,040.25-10,548.68-4,955.90

Finding the Fourth Proportional to 7,040.25, 10,548.68 and 4,955.90

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Solution

The fourth proportional to 7,040.25, 10,548.68 and 4,955.90 is: 7,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.25 : 10,548.68 = 4,955.90 : x
  2. Step 2: Convert to fraction form
    7,040.25/10,548.68 = 4,955.90/x
  3. Step 3: Cross multiply
    7,040.25x = 10,548.68 × 4,955.90
  4. Step 4: Simplify right side
    7,040.25x = 52,278,125.69
  5. Step 5: Solve for x
    x = 52,278,125.69/7,040.25
  6. Step 6: Final answer
    x = 7,425.61

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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.