Home / 3,152.83-4,720.36-1,668.69

Finding the Fourth Proportional to 3,152.83, 4,720.36 and 1,668.69

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Solution

The fourth proportional to 3,152.83, 4,720.36 and 1,668.69 is: 2,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.83 : 4,720.36 = 1,668.69 : x
  2. Step 2: Convert to fraction form
    3,152.83/4,720.36 = 1,668.69/x
  3. Step 3: Cross multiply
    3,152.83x = 4,720.36 × 1,668.69
  4. Step 4: Simplify right side
    3,152.83x = 7,876,809.18
  5. Step 5: Solve for x
    x = 7,876,809.18/3,152.83
  6. Step 6: Final answer
    x = 2,498.33

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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.