Home / 4,223.40-5,828.67-2,431.14

Finding the Fourth Proportional to 4,223.40, 5,828.67 and 2,431.14

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Solution

The fourth proportional to 4,223.40, 5,828.67 and 2,431.14 is: 3,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.40 : 5,828.67 = 2,431.14 : x
  2. Step 2: Convert to fraction form
    4,223.40/5,828.67 = 2,431.14/x
  3. Step 3: Cross multiply
    4,223.40x = 5,828.67 × 2,431.14
  4. Step 4: Simplify right side
    4,223.40x = 14,170,312.78
  5. Step 5: Solve for x
    x = 14,170,312.78/4,223.40
  6. Step 6: Final answer
    x = 3,355.19

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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.