Home / 2,175.27-3,260.28-1,003.68

Finding the Fourth Proportional to 2,175.27, 3,260.28 and 1,003.68

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Solution

The fourth proportional to 2,175.27, 3,260.28 and 1,003.68 is: 1,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.27 : 3,260.28 = 1,003.68 : x
  2. Step 2: Convert to fraction form
    2,175.27/3,260.28 = 1,003.68/x
  3. Step 3: Cross multiply
    2,175.27x = 3,260.28 × 1,003.68
  4. Step 4: Simplify right side
    2,175.27x = 3,272,277.83
  5. Step 5: Solve for x
    x = 3,272,277.83/2,175.27
  6. Step 6: Final answer
    x = 1,504.31

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1.5x scale

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.