Home / 2,729.10-3,767.92-2,098.46

Finding the Fourth Proportional to 2,729.10, 3,767.92 and 2,098.46

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Solution

The fourth proportional to 2,729.10, 3,767.92 and 2,098.46 is: 2,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.10 : 3,767.92 = 2,098.46 : x
  2. Step 2: Convert to fraction form
    2,729.10/3,767.92 = 2,098.46/x
  3. Step 3: Cross multiply
    2,729.10x = 3,767.92 × 2,098.46
  4. Step 4: Simplify right side
    2,729.10x = 7,906,829.40
  5. Step 5: Solve for x
    x = 7,906,829.40/2,729.10
  6. Step 6: Final answer
    x = 2,897.23

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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.