Home / 3,225.64-4,451.47-1,828.38

Finding the Fourth Proportional to 3,225.64, 4,451.47 and 1,828.38

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Solution

The fourth proportional to 3,225.64, 4,451.47 and 1,828.38 is: 2,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.64 : 4,451.47 = 1,828.38 : x
  2. Step 2: Convert to fraction form
    3,225.64/4,451.47 = 1,828.38/x
  3. Step 3: Cross multiply
    3,225.64x = 4,451.47 × 1,828.38
  4. Step 4: Simplify right side
    3,225.64x = 8,138,978.72
  5. Step 5: Solve for x
    x = 8,138,978.72/3,225.64
  6. Step 6: Final answer
    x = 2,523.21

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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.