Home / 2,175.90-3,003.03-1,244.22

Finding the Fourth Proportional to 2,175.90, 3,003.03 and 1,244.22

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Solution

The fourth proportional to 2,175.90, 3,003.03 and 1,244.22 is: 1,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.90 : 3,003.03 = 1,244.22 : x
  2. Step 2: Convert to fraction form
    2,175.90/3,003.03 = 1,244.22/x
  3. Step 3: Cross multiply
    2,175.90x = 3,003.03 × 1,244.22
  4. Step 4: Simplify right side
    2,175.90x = 3,736,429.99
  5. Step 5: Solve for x
    x = 3,736,429.99/2,175.90
  6. Step 6: Final answer
    x = 1,717.19

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1.5x scale

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.