Home / 7,179.35-10,765.37-3,281.63

Finding the Fourth Proportional to 7,179.35, 10,765.37 and 3,281.63

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Solution

The fourth proportional to 7,179.35, 10,765.37 and 3,281.63 is: 4,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.35 : 10,765.37 = 3,281.63 : x
  2. Step 2: Convert to fraction form
    7,179.35/10,765.37 = 3,281.63/x
  3. Step 3: Cross multiply
    7,179.35x = 10,765.37 × 3,281.63
  4. Step 4: Simplify right side
    7,179.35x = 35,327,915.53
  5. Step 5: Solve for x
    x = 35,327,915.53/7,179.35
  6. Step 6: Final answer
    x = 4,920.77

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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.