Home / 4,146.28-5,721.60-2,283.28

Finding the Fourth Proportional to 4,146.28, 5,721.60 and 2,283.28

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Solution

The fourth proportional to 4,146.28, 5,721.60 and 2,283.28 is: 3,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.28 : 5,721.60 = 2,283.28 : x
  2. Step 2: Convert to fraction form
    4,146.28/5,721.60 = 2,283.28/x
  3. Step 3: Cross multiply
    4,146.28x = 5,721.60 × 2,283.28
  4. Step 4: Simplify right side
    4,146.28x = 13,064,009.11
  5. Step 5: Solve for x
    x = 13,064,009.11/4,146.28
  6. Step 6: Final answer
    x = 3,150.78

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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.