Home / 6,255.87-8,632.77-3,422.69

Finding the Fourth Proportional to 6,255.87, 8,632.77 and 3,422.69

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Solution

The fourth proportional to 6,255.87, 8,632.77 and 3,422.69 is: 4,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.87 : 8,632.77 = 3,422.69 : x
  2. Step 2: Convert to fraction form
    6,255.87/8,632.77 = 3,422.69/x
  3. Step 3: Cross multiply
    6,255.87x = 8,632.77 × 3,422.69
  4. Step 4: Simplify right side
    6,255.87x = 29,547,295.55
  5. Step 5: Solve for x
    x = 29,547,295.55/6,255.87
  6. Step 6: Final answer
    x = 4,723.13

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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.