Home / 3,538.13-5,301.05-1,891.73

Finding the Fourth Proportional to 3,538.13, 5,301.05 and 1,891.73

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Solution

The fourth proportional to 3,538.13, 5,301.05 and 1,891.73 is: 2,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.13 : 5,301.05 = 1,891.73 : x
  2. Step 2: Convert to fraction form
    3,538.13/5,301.05 = 1,891.73/x
  3. Step 3: Cross multiply
    3,538.13x = 5,301.05 × 1,891.73
  4. Step 4: Simplify right side
    3,538.13x = 10,028,159.11
  5. Step 5: Solve for x
    x = 10,028,159.11/3,538.13
  6. Step 6: Final answer
    x = 2,834.31

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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.