Home / 5,383.11-7,428.62-2,993.06

Finding the Fourth Proportional to 5,383.11, 7,428.62 and 2,993.06

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Solution

The fourth proportional to 5,383.11, 7,428.62 and 2,993.06 is: 4,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.11 : 7,428.62 = 2,993.06 : x
  2. Step 2: Convert to fraction form
    5,383.11/7,428.62 = 2,993.06/x
  3. Step 3: Cross multiply
    5,383.11x = 7,428.62 × 2,993.06
  4. Step 4: Simplify right side
    5,383.11x = 22,234,302.12
  5. Step 5: Solve for x
    x = 22,234,302.12/5,383.11
  6. Step 6: Final answer
    x = 4,130.38

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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.