Home / 5,671.15-7,825.61-3,314.66

Finding the Fourth Proportional to 5,671.15, 7,825.61 and 3,314.66

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Solution

The fourth proportional to 5,671.15, 7,825.61 and 3,314.66 is: 4,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.15 : 7,825.61 = 3,314.66 : x
  2. Step 2: Convert to fraction form
    5,671.15/7,825.61 = 3,314.66/x
  3. Step 3: Cross multiply
    5,671.15x = 7,825.61 × 3,314.66
  4. Step 4: Simplify right side
    5,671.15x = 25,939,205.60
  5. Step 5: Solve for x
    x = 25,939,205.60/5,671.15
  6. Step 6: Final answer
    x = 4,573.89

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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.