Home / 7,322.67-10,104.75-4,178.25

Finding the Fourth Proportional to 7,322.67, 10,104.75 and 4,178.25

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Solution

The fourth proportional to 7,322.67, 10,104.75 and 4,178.25 is: 5,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.67 : 10,104.75 = 4,178.25 : x
  2. Step 2: Convert to fraction form
    7,322.67/10,104.75 = 4,178.25/x
  3. Step 3: Cross multiply
    7,322.67x = 10,104.75 × 4,178.25
  4. Step 4: Simplify right side
    7,322.67x = 42,220,171.69
  5. Step 5: Solve for x
    x = 42,220,171.69/7,322.67
  6. Step 6: Final answer
    x = 5,765.68

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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.