Home / 3,750.72-5,175.36-2,258.28

Finding the Fourth Proportional to 3,750.72, 5,175.36 and 2,258.28

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Solution

The fourth proportional to 3,750.72, 5,175.36 and 2,258.28 is: 3,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.72 : 5,175.36 = 2,258.28 : x
  2. Step 2: Convert to fraction form
    3,750.72/5,175.36 = 2,258.28/x
  3. Step 3: Cross multiply
    3,750.72x = 5,175.36 × 2,258.28
  4. Step 4: Simplify right side
    3,750.72x = 11,687,411.98
  5. Step 5: Solve for x
    x = 11,687,411.98/3,750.72
  6. Step 6: Final answer
    x = 3,116.04

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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.