Home / 5,331.28-7,360.60-3,443.72

Finding the Fourth Proportional to 5,331.28, 7,360.60 and 3,443.72

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Solution

The fourth proportional to 5,331.28, 7,360.60 and 3,443.72 is: 4,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.28 : 7,360.60 = 3,443.72 : x
  2. Step 2: Convert to fraction form
    5,331.28/7,360.60 = 3,443.72/x
  3. Step 3: Cross multiply
    5,331.28x = 7,360.60 × 3,443.72
  4. Step 4: Simplify right side
    5,331.28x = 25,347,845.43
  5. Step 5: Solve for x
    x = 25,347,845.43/5,331.28
  6. Step 6: Final answer
    x = 4,754.55

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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.