Home / 4,376.32-6,040.96-2,720

Finding the Fourth Proportional to 4,376.32, 6,040.96 and 2,720

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Solution

The fourth proportional to 4,376.32, 6,040.96 and 2,720 is: 3,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.32 : 6,040.96 = 2,720 : x
  2. Step 2: Convert to fraction form
    4,376.32/6,040.96 = 2,720/x
  3. Step 3: Cross multiply
    4,376.32x = 6,040.96 × 2,720
  4. Step 4: Simplify right side
    4,376.32x = 16,431,411.20
  5. Step 5: Solve for x
    x = 16,431,411.20/4,376.32
  6. Step 6: Final answer
    x = 3,754.62

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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.