Home / 6,117.32-9,172.34-2,827.71

Finding the Fourth Proportional to 6,117.32, 9,172.34 and 2,827.71

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Solution

The fourth proportional to 6,117.32, 9,172.34 and 2,827.71 is: 4,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.32 : 9,172.34 = 2,827.71 : x
  2. Step 2: Convert to fraction form
    6,117.32/9,172.34 = 2,827.71/x
  3. Step 3: Cross multiply
    6,117.32x = 9,172.34 × 2,827.71
  4. Step 4: Simplify right side
    6,117.32x = 25,936,714.01
  5. Step 5: Solve for x
    x = 25,936,714.01/6,117.32
  6. Step 6: Final answer
    x = 4,239.88

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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.