Home / 5,748.12-7,932.59-3,230.72

Finding the Fourth Proportional to 5,748.12, 7,932.59 and 3,230.72

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Solution

The fourth proportional to 5,748.12, 7,932.59 and 3,230.72 is: 4,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.12 : 7,932.59 = 3,230.72 : x
  2. Step 2: Convert to fraction form
    5,748.12/7,932.59 = 3,230.72/x
  3. Step 3: Cross multiply
    5,748.12x = 7,932.59 × 3,230.72
  4. Step 4: Simplify right side
    5,748.12x = 25,627,945.58
  5. Step 5: Solve for x
    x = 25,627,945.58/5,748.12
  6. Step 6: Final answer
    x = 4,458.49

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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.