Home / 3,318.78-4,580.15-2,374.66

Finding the Fourth Proportional to 3,318.78, 4,580.15 and 2,374.66

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Solution

The fourth proportional to 3,318.78, 4,580.15 and 2,374.66 is: 3,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.78 : 4,580.15 = 2,374.66 : x
  2. Step 2: Convert to fraction form
    3,318.78/4,580.15 = 2,374.66/x
  3. Step 3: Cross multiply
    3,318.78x = 4,580.15 × 2,374.66
  4. Step 4: Simplify right side
    3,318.78x = 10,876,299.00
  5. Step 5: Solve for x
    x = 10,876,299.00/3,318.78
  6. Step 6: Final answer
    x = 3,277.20

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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.