Home / 3,458.84-4,772.79-2,132.26

Finding the Fourth Proportional to 3,458.84, 4,772.79 and 2,132.26

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Solution

The fourth proportional to 3,458.84, 4,772.79 and 2,132.26 is: 2,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.84 : 4,772.79 = 2,132.26 : x
  2. Step 2: Convert to fraction form
    3,458.84/4,772.79 = 2,132.26/x
  3. Step 3: Cross multiply
    3,458.84x = 4,772.79 × 2,132.26
  4. Step 4: Simplify right side
    3,458.84x = 10,176,817.27
  5. Step 5: Solve for x
    x = 10,176,817.27/3,458.84
  6. Step 6: Final answer
    x = 2,942.27

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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.