Home / 3,848.24-5,310.30-2,169.70

Finding the Fourth Proportional to 3,848.24, 5,310.30 and 2,169.70

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Solution

The fourth proportional to 3,848.24, 5,310.30 and 2,169.70 is: 2,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.24 : 5,310.30 = 2,169.70 : x
  2. Step 2: Convert to fraction form
    3,848.24/5,310.30 = 2,169.70/x
  3. Step 3: Cross multiply
    3,848.24x = 5,310.30 × 2,169.70
  4. Step 4: Simplify right side
    3,848.24x = 11,521,757.91
  5. Step 5: Solve for x
    x = 11,521,757.91/3,848.24
  6. Step 6: Final answer
    x = 2,994.03

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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.