Home / 5,223.18-7,207.92-2,865.32

Finding the Fourth Proportional to 5,223.18, 7,207.92 and 2,865.32

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Solution

The fourth proportional to 5,223.18, 7,207.92 and 2,865.32 is: 3,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.18 : 7,207.92 = 2,865.32 : x
  2. Step 2: Convert to fraction form
    5,223.18/7,207.92 = 2,865.32/x
  3. Step 3: Cross multiply
    5,223.18x = 7,207.92 × 2,865.32
  4. Step 4: Simplify right side
    5,223.18x = 20,652,980.14
  5. Step 5: Solve for x
    x = 20,652,980.14/5,223.18
  6. Step 6: Final answer
    x = 3,954.10

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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.