Home / 3,159.68-4,734.60-2,003

Finding the Fourth Proportional to 3,159.68, 4,734.60 and 2,003

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Solution

The fourth proportional to 3,159.68, 4,734.60 and 2,003 is: 3,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.68 : 4,734.60 = 2,003 : x
  2. Step 2: Convert to fraction form
    3,159.68/4,734.60 = 2,003/x
  3. Step 3: Cross multiply
    3,159.68x = 4,734.60 × 2,003
  4. Step 4: Simplify right side
    3,159.68x = 9,483,403.80
  5. Step 5: Solve for x
    x = 9,483,403.80/3,159.68
  6. Step 6: Final answer
    x = 3,001.38

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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.