Home / 4,746.97-7,120.81-1,825.28

Finding the Fourth Proportional to 4,746.97, 7,120.81 and 1,825.28

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Solution

The fourth proportional to 4,746.97, 7,120.81 and 1,825.28 is: 2,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.97 : 7,120.81 = 1,825.28 : x
  2. Step 2: Convert to fraction form
    4,746.97/7,120.81 = 1,825.28/x
  3. Step 3: Cross multiply
    4,746.97x = 7,120.81 × 1,825.28
  4. Step 4: Simplify right side
    4,746.97x = 12,997,455.19
  5. Step 5: Solve for x
    x = 12,997,455.19/4,746.97
  6. Step 6: Final answer
    x = 2,738.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.