Home / 3,750.91-5,175.53-2,258.89

Finding the Fourth Proportional to 3,750.91, 5,175.53 and 2,258.89

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Solution

The fourth proportional to 3,750.91, 5,175.53 and 2,258.89 is: 3,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.91 : 5,175.53 = 2,258.89 : x
  2. Step 2: Convert to fraction form
    3,750.91/5,175.53 = 2,258.89/x
  3. Step 3: Cross multiply
    3,750.91x = 5,175.53 × 2,258.89
  4. Step 4: Simplify right side
    3,750.91x = 11,690,937.20
  5. Step 5: Solve for x
    x = 11,690,937.20/3,750.91
  6. Step 6: Final answer
    x = 3,116.83

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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.