Home / 3,464.62-4,780.59-1,972.25

Finding the Fourth Proportional to 3,464.62, 4,780.59 and 1,972.25

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Solution

The fourth proportional to 3,464.62, 4,780.59 and 1,972.25 is: 2,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.62 : 4,780.59 = 1,972.25 : x
  2. Step 2: Convert to fraction form
    3,464.62/4,780.59 = 1,972.25/x
  3. Step 3: Cross multiply
    3,464.62x = 4,780.59 × 1,972.25
  4. Step 4: Simplify right side
    3,464.62x = 9,428,521.90
  5. Step 5: Solve for x
    x = 9,428,521.90/3,464.62
  6. Step 6: Final answer
    x = 2,721.37

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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.