Home / 3,693.19-5,538.16-1,383.07

Finding the Fourth Proportional to 3,693.19, 5,538.16 and 1,383.07

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Solution

The fourth proportional to 3,693.19, 5,538.16 and 1,383.07 is: 2,073.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.19 : 5,538.16 = 1,383.07 : x
  2. Step 2: Convert to fraction form
    3,693.19/5,538.16 = 1,383.07/x
  3. Step 3: Cross multiply
    3,693.19x = 5,538.16 × 1,383.07
  4. Step 4: Simplify right side
    3,693.19x = 7,659,628.35
  5. Step 5: Solve for x
    x = 7,659,628.35/3,693.19
  6. Step 6: Final answer
    x = 2,073.99

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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.