Home / 7,632.77-11,451.99-2,439.05

Finding the Fourth Proportional to 7,632.77, 11,451.99 and 2,439.05

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Solution

The fourth proportional to 7,632.77, 11,451.99 and 2,439.05 is: 3,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.77 : 11,451.99 = 2,439.05 : x
  2. Step 2: Convert to fraction form
    7,632.77/11,451.99 = 2,439.05/x
  3. Step 3: Cross multiply
    7,632.77x = 11,451.99 × 2,439.05
  4. Step 4: Simplify right side
    7,632.77x = 27,931,918.95
  5. Step 5: Solve for x
    x = 27,931,918.95/7,632.77
  6. Step 6: Final answer
    x = 3,659.48

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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.