Home / 5,301.85-7,316.11-2,911.75

Finding the Fourth Proportional to 5,301.85, 7,316.11 and 2,911.75

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Solution

The fourth proportional to 5,301.85, 7,316.11 and 2,911.75 is: 4,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.85 : 7,316.11 = 2,911.75 : x
  2. Step 2: Convert to fraction form
    5,301.85/7,316.11 = 2,911.75/x
  3. Step 3: Cross multiply
    5,301.85x = 7,316.11 × 2,911.75
  4. Step 4: Simplify right side
    5,301.85x = 21,302,683.29
  5. Step 5: Solve for x
    x = 21,302,683.29/5,301.85
  6. Step 6: Final answer
    x = 4,017.97

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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.