Home / 3,225.72-4,451.70-1,809.52

Finding the Fourth Proportional to 3,225.72, 4,451.70 and 1,809.52

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Solution

The fourth proportional to 3,225.72, 4,451.70 and 1,809.52 is: 2,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.72 : 4,451.70 = 1,809.52 : x
  2. Step 2: Convert to fraction form
    3,225.72/4,451.70 = 1,809.52/x
  3. Step 3: Cross multiply
    3,225.72x = 4,451.70 × 1,809.52
  4. Step 4: Simplify right side
    3,225.72x = 8,055,440.18
  5. Step 5: Solve for x
    x = 8,055,440.18/3,225.72
  6. Step 6: Final answer
    x = 2,497.25

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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.