Home / 3,813.04-5,262.20-2,134.49

Finding the Fourth Proportional to 3,813.04, 5,262.20 and 2,134.49

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Solution

The fourth proportional to 3,813.04, 5,262.20 and 2,134.49 is: 2,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.04 : 5,262.20 = 2,134.49 : x
  2. Step 2: Convert to fraction form
    3,813.04/5,262.20 = 2,134.49/x
  3. Step 3: Cross multiply
    3,813.04x = 5,262.20 × 2,134.49
  4. Step 4: Simplify right side
    3,813.04x = 11,232,084.30
  5. Step 5: Solve for x
    x = 11,232,084.30/3,813.04
  6. Step 6: Final answer
    x = 2,945.70

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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.