Home / 7,571.08-11,359.86-3,189.52

Finding the Fourth Proportional to 7,571.08, 11,359.86 and 3,189.52

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Solution

The fourth proportional to 7,571.08, 11,359.86 and 3,189.52 is: 4,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.08 : 11,359.86 = 3,189.52 : x
  2. Step 2: Convert to fraction form
    7,571.08/11,359.86 = 3,189.52/x
  3. Step 3: Cross multiply
    7,571.08x = 11,359.86 × 3,189.52
  4. Step 4: Simplify right side
    7,571.08x = 36,232,500.67
  5. Step 5: Solve for x
    x = 36,232,500.67/7,571.08
  6. Step 6: Final answer
    x = 4,785.64

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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.