Home / 2,972.62-4,106.49-2,374.33

Finding the Fourth Proportional to 2,972.62, 4,106.49 and 2,374.33

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Solution

The fourth proportional to 2,972.62, 4,106.49 and 2,374.33 is: 3,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.62 : 4,106.49 = 2,374.33 : x
  2. Step 2: Convert to fraction form
    2,972.62/4,106.49 = 2,374.33/x
  3. Step 3: Cross multiply
    2,972.62x = 4,106.49 × 2,374.33
  4. Step 4: Simplify right side
    2,972.62x = 9,750,146.20
  5. Step 5: Solve for x
    x = 9,750,146.20/2,972.62
  6. Step 6: Final answer
    x = 3,279.98

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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.