Home / 3,746.38-5,170.08-2,174.58

Finding the Fourth Proportional to 3,746.38, 5,170.08 and 2,174.58

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Solution

The fourth proportional to 3,746.38, 5,170.08 and 2,174.58 is: 3,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.38 : 5,170.08 = 2,174.58 : x
  2. Step 2: Convert to fraction form
    3,746.38/5,170.08 = 2,174.58/x
  3. Step 3: Cross multiply
    3,746.38x = 5,170.08 × 2,174.58
  4. Step 4: Simplify right side
    3,746.38x = 11,242,752.57
  5. Step 5: Solve for x
    x = 11,242,752.57/3,746.38
  6. Step 6: Final answer
    x = 3,000.96

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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.