Home / 7,321.44-10,101.13-4,134.30

Finding the Fourth Proportional to 7,321.44, 10,101.13 and 4,134.30

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Solution

The fourth proportional to 7,321.44, 10,101.13 and 4,134.30 is: 5,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.44 : 10,101.13 = 4,134.30 : x
  2. Step 2: Convert to fraction form
    7,321.44/10,101.13 = 4,134.30/x
  3. Step 3: Cross multiply
    7,321.44x = 10,101.13 × 4,134.30
  4. Step 4: Simplify right side
    7,321.44x = 41,761,101.76
  5. Step 5: Solve for x
    x = 41,761,101.76/7,321.44
  6. Step 6: Final answer
    x = 5,703.95

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1.5x scale

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.