Home / 3,746.30-5,169.33-2,174.09

Finding the Fourth Proportional to 3,746.30, 5,169.33 and 2,174.09

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Solution

The fourth proportional to 3,746.30, 5,169.33 and 2,174.09 is: 2,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.30 : 5,169.33 = 2,174.09 : x
  2. Step 2: Convert to fraction form
    3,746.30/5,169.33 = 2,174.09/x
  3. Step 3: Cross multiply
    3,746.30x = 5,169.33 × 2,174.09
  4. Step 4: Simplify right side
    3,746.30x = 11,238,562.81
  5. Step 5: Solve for x
    x = 11,238,562.81/3,746.30
  6. Step 6: Final answer
    x = 2,999.91

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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.