Home / 7,372.04-10,171.08-4,227.68

Finding the Fourth Proportional to 7,372.04, 10,171.08 and 4,227.68

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Solution

The fourth proportional to 7,372.04, 10,171.08 and 4,227.68 is: 5,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.04 : 10,171.08 = 4,227.68 : x
  2. Step 2: Convert to fraction form
    7,372.04/10,171.08 = 4,227.68/x
  3. Step 3: Cross multiply
    7,372.04x = 10,171.08 × 4,227.68
  4. Step 4: Simplify right side
    7,372.04x = 43,000,071.49
  5. Step 5: Solve for x
    x = 43,000,071.49/7,372.04
  6. Step 6: Final answer
    x = 5,832.86

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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.