Home / 5,707.11-7,876.85-3,693

Finding the Fourth Proportional to 5,707.11, 7,876.85 and 3,693

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Solution

The fourth proportional to 5,707.11, 7,876.85 and 3,693 is: 5,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.11 : 7,876.85 = 3,693 : x
  2. Step 2: Convert to fraction form
    5,707.11/7,876.85 = 3,693/x
  3. Step 3: Cross multiply
    5,707.11x = 7,876.85 × 3,693
  4. Step 4: Simplify right side
    5,707.11x = 29,089,188.59
  5. Step 5: Solve for x
    x = 29,089,188.59/5,707.11
  6. Step 6: Final answer
    x = 5,097.01

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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.