Home / 1,632.63-2,252.32-1,072.38

Finding the Fourth Proportional to 1,632.63, 2,252.32 and 1,072.38

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Solution

The fourth proportional to 1,632.63, 2,252.32 and 1,072.38 is: 1,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.63 : 2,252.32 = 1,072.38 : x
  2. Step 2: Convert to fraction form
    1,632.63/2,252.32 = 1,072.38/x
  3. Step 3: Cross multiply
    1,632.63x = 2,252.32 × 1,072.38
  4. Step 4: Simplify right side
    1,632.63x = 2,415,342.92
  5. Step 5: Solve for x
    x = 2,415,342.92/1,632.63
  6. Step 6: Final answer
    x = 1,479.42

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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.