Home / 4,480.39-6,190.88-3,225.61

Finding the Fourth Proportional to 4,480.39, 6,190.88 and 3,225.61

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Solution

The fourth proportional to 4,480.39, 6,190.88 and 3,225.61 is: 4,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.39 : 6,190.88 = 3,225.61 : x
  2. Step 2: Convert to fraction form
    4,480.39/6,190.88 = 3,225.61/x
  3. Step 3: Cross multiply
    4,480.39x = 6,190.88 × 3,225.61
  4. Step 4: Simplify right side
    4,480.39x = 19,969,332.83
  5. Step 5: Solve for x
    x = 19,969,332.83/4,480.39
  6. Step 6: Final answer
    x = 4,457.05

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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.