Home / 3,648.00-5,033.07-2,156.42

Finding the Fourth Proportional to 3,648.00, 5,033.07 and 2,156.42

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Solution

The fourth proportional to 3,648.00, 5,033.07 and 2,156.42 is: 2,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.00 : 5,033.07 = 2,156.42 : x
  2. Step 2: Convert to fraction form
    3,648.00/5,033.07 = 2,156.42/x
  3. Step 3: Cross multiply
    3,648.00x = 5,033.07 × 2,156.42
  4. Step 4: Simplify right side
    3,648.00x = 10,853,385.85
  5. Step 5: Solve for x
    x = 10,853,385.85/3,648.00
  6. Step 6: Final answer
    x = 2,975.16

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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.