Home / 7,049.12-10,575.60-2,432.80

Finding the Fourth Proportional to 7,049.12, 10,575.60 and 2,432.80

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Solution

The fourth proportional to 7,049.12, 10,575.60 and 2,432.80 is: 3,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.12 : 10,575.60 = 2,432.80 : x
  2. Step 2: Convert to fraction form
    7,049.12/10,575.60 = 2,432.80/x
  3. Step 3: Cross multiply
    7,049.12x = 10,575.60 × 2,432.80
  4. Step 4: Simplify right side
    7,049.12x = 25,728,319.68
  5. Step 5: Solve for x
    x = 25,728,319.68/7,049.12
  6. Step 6: Final answer
    x = 3,649.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.