Home / 3,006.17-4,148.31-1,680.01

Finding the Fourth Proportional to 3,006.17, 4,148.31 and 1,680.01

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Solution

The fourth proportional to 3,006.17, 4,148.31 and 1,680.01 is: 2,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.17 : 4,148.31 = 1,680.01 : x
  2. Step 2: Convert to fraction form
    3,006.17/4,148.31 = 1,680.01/x
  3. Step 3: Cross multiply
    3,006.17x = 4,148.31 × 1,680.01
  4. Step 4: Simplify right side
    3,006.17x = 6,969,202.28
  5. Step 5: Solve for x
    x = 6,969,202.28/3,006.17
  6. Step 6: Final answer
    x = 2,318.30

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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.