Home / 4,660.13-6,427.81-3,315.43

Finding the Fourth Proportional to 4,660.13, 6,427.81 and 3,315.43

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Solution

The fourth proportional to 4,660.13, 6,427.81 and 3,315.43 is: 4,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.13 : 6,427.81 = 3,315.43 : x
  2. Step 2: Convert to fraction form
    4,660.13/6,427.81 = 3,315.43/x
  3. Step 3: Cross multiply
    4,660.13x = 6,427.81 × 3,315.43
  4. Step 4: Simplify right side
    4,660.13x = 21,310,947.64
  5. Step 5: Solve for x
    x = 21,310,947.64/4,660.13
  6. Step 6: Final answer
    x = 4,573.03

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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.