Home / 7,372.39-10,173.76-4,228.33

Finding the Fourth Proportional to 7,372.39, 10,173.76 and 4,228.33

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Solution

The fourth proportional to 7,372.39, 10,173.76 and 4,228.33 is: 5,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.39 : 10,173.76 = 4,228.33 : x
  2. Step 2: Convert to fraction form
    7,372.39/10,173.76 = 4,228.33/x
  3. Step 3: Cross multiply
    7,372.39x = 10,173.76 × 4,228.33
  4. Step 4: Simplify right side
    7,372.39x = 43,018,014.62
  5. Step 5: Solve for x
    x = 43,018,014.62/7,372.39
  6. Step 6: Final answer
    x = 5,835.02

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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.