Home / 6,523.68-9,001.20-3,729.12

Finding the Fourth Proportional to 6,523.68, 9,001.20 and 3,729.12

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Solution

The fourth proportional to 6,523.68, 9,001.20 and 3,729.12 is: 5,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.68 : 9,001.20 = 3,729.12 : x
  2. Step 2: Convert to fraction form
    6,523.68/9,001.20 = 3,729.12/x
  3. Step 3: Cross multiply
    6,523.68x = 9,001.20 × 3,729.12
  4. Step 4: Simplify right side
    6,523.68x = 33,566,554.94
  5. Step 5: Solve for x
    x = 33,566,554.94/6,523.68
  6. Step 6: Final answer
    x = 5,145.34

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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.