Home / 5,500.12-7,589.95-3,260.65

Finding the Fourth Proportional to 5,500.12, 7,589.95 and 3,260.65

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Solution

The fourth proportional to 5,500.12, 7,589.95 and 3,260.65 is: 4,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.12 : 7,589.95 = 3,260.65 : x
  2. Step 2: Convert to fraction form
    5,500.12/7,589.95 = 3,260.65/x
  3. Step 3: Cross multiply
    5,500.12x = 7,589.95 × 3,260.65
  4. Step 4: Simplify right side
    5,500.12x = 24,748,170.47
  5. Step 5: Solve for x
    x = 24,748,170.47/5,500.12
  6. Step 6: Final answer
    x = 4,499.57

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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.