Home / 5,021.44-6,931.10-3,699

Finding the Fourth Proportional to 5,021.44, 6,931.10 and 3,699

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Solution

The fourth proportional to 5,021.44, 6,931.10 and 3,699 is: 5,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.44 : 6,931.10 = 3,699 : x
  2. Step 2: Convert to fraction form
    5,021.44/6,931.10 = 3,699/x
  3. Step 3: Cross multiply
    5,021.44x = 6,931.10 × 3,699
  4. Step 4: Simplify right side
    5,021.44x = 25,638,148.15
  5. Step 5: Solve for x
    x = 25,638,148.15/5,021.44
  6. Step 6: Final answer
    x = 5,105.74

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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.