Home / 4,189.73-5,781.89-2,301.50

Finding the Fourth Proportional to 4,189.73, 5,781.89 and 2,301.50

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Solution

The fourth proportional to 4,189.73, 5,781.89 and 2,301.50 is: 3,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.73 : 5,781.89 = 2,301.50 : x
  2. Step 2: Convert to fraction form
    4,189.73/5,781.89 = 2,301.50/x
  3. Step 3: Cross multiply
    4,189.73x = 5,781.89 × 2,301.50
  4. Step 4: Simplify right side
    4,189.73x = 13,307,040.04
  5. Step 5: Solve for x
    x = 13,307,040.04/4,189.73
  6. Step 6: Final answer
    x = 3,176.11

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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.