Home / 7,281.90-10,917.27-3,383.46

Finding the Fourth Proportional to 7,281.90, 10,917.27 and 3,383.46

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Solution

The fourth proportional to 7,281.90, 10,917.27 and 3,383.46 is: 5,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.90 : 10,917.27 = 3,383.46 : x
  2. Step 2: Convert to fraction form
    7,281.90/10,917.27 = 3,383.46/x
  3. Step 3: Cross multiply
    7,281.90x = 10,917.27 × 3,383.46
  4. Step 4: Simplify right side
    7,281.90x = 36,938,146.35
  5. Step 5: Solve for x
    x = 36,938,146.35/7,281.90
  6. Step 6: Final answer
    x = 5,072.60

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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.