Home / 4,718.32-7,071.30-2,380.95

Finding the Fourth Proportional to 4,718.32, 7,071.30 and 2,380.95

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Solution

The fourth proportional to 4,718.32, 7,071.30 and 2,380.95 is: 3,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.32 : 7,071.30 = 2,380.95 : x
  2. Step 2: Convert to fraction form
    4,718.32/7,071.30 = 2,380.95/x
  3. Step 3: Cross multiply
    4,718.32x = 7,071.30 × 2,380.95
  4. Step 4: Simplify right side
    4,718.32x = 16,836,411.74
  5. Step 5: Solve for x
    x = 16,836,411.74/4,718.32
  6. Step 6: Final answer
    x = 3,568.31

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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.