Home / 2,632.40-3,943.52-1,474.64

Finding the Fourth Proportional to 2,632.40, 3,943.52 and 1,474.64

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Solution

The fourth proportional to 2,632.40, 3,943.52 and 1,474.64 is: 2,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.40 : 3,943.52 = 1,474.64 : x
  2. Step 2: Convert to fraction form
    2,632.40/3,943.52 = 1,474.64/x
  3. Step 3: Cross multiply
    2,632.40x = 3,943.52 × 1,474.64
  4. Step 4: Simplify right side
    2,632.40x = 5,815,272.33
  5. Step 5: Solve for x
    x = 5,815,272.33/2,632.40
  6. Step 6: Final answer
    x = 2,209.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.