Home / 3,007.17-4,149.99-1,680.93

Finding the Fourth Proportional to 3,007.17, 4,149.99 and 1,680.93

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Solution

The fourth proportional to 3,007.17, 4,149.99 and 1,680.93 is: 2,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.17 : 4,149.99 = 1,680.93 : x
  2. Step 2: Convert to fraction form
    3,007.17/4,149.99 = 1,680.93/x
  3. Step 3: Cross multiply
    3,007.17x = 4,149.99 × 1,680.93
  4. Step 4: Simplify right side
    3,007.17x = 6,975,842.69
  5. Step 5: Solve for x
    x = 6,975,842.69/3,007.17
  6. Step 6: Final answer
    x = 2,319.74

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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.