Home / 3,746.79-5,169.69-2,174.94

Finding the Fourth Proportional to 3,746.79, 5,169.69 and 2,174.94

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Solution

The fourth proportional to 3,746.79, 5,169.69 and 2,174.94 is: 3,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.79 : 5,169.69 = 2,174.94 : x
  2. Step 2: Convert to fraction form
    3,746.79/5,169.69 = 2,174.94/x
  3. Step 3: Cross multiply
    3,746.79x = 5,169.69 × 2,174.94
  4. Step 4: Simplify right side
    3,746.79x = 11,243,765.57
  5. Step 5: Solve for x
    x = 11,243,765.57/3,746.79
  6. Step 6: Final answer
    x = 3,000.91

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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.