Home / 5,213.16-7,193.94-3,117.96

Finding the Fourth Proportional to 5,213.16, 7,193.94 and 3,117.96

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Solution

The fourth proportional to 5,213.16, 7,193.94 and 3,117.96 is: 4,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.16 : 7,193.94 = 3,117.96 : x
  2. Step 2: Convert to fraction form
    5,213.16/7,193.94 = 3,117.96/x
  3. Step 3: Cross multiply
    5,213.16x = 7,193.94 × 3,117.96
  4. Step 4: Simplify right side
    5,213.16x = 22,430,417.16
  5. Step 5: Solve for x
    x = 22,430,417.16/5,213.16
  6. Step 6: Final answer
    x = 4,302.65

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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.