Home / 3,750.36-5,179.86-2,864.22

Finding the Fourth Proportional to 3,750.36, 5,179.86 and 2,864.22

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Solution

The fourth proportional to 3,750.36, 5,179.86 and 2,864.22 is: 3,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.36 : 5,179.86 = 2,864.22 : x
  2. Step 2: Convert to fraction form
    3,750.36/5,179.86 = 2,864.22/x
  3. Step 3: Cross multiply
    3,750.36x = 5,179.86 × 2,864.22
  4. Step 4: Simplify right side
    3,750.36x = 14,836,258.61
  5. Step 5: Solve for x
    x = 14,836,258.61/3,750.36
  6. Step 6: Final answer
    x = 3,955.96

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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.