Home / 4,792.20-7,172.10-4,403.40

Finding the Fourth Proportional to 4,792.20, 7,172.10 and 4,403.40

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Solution

The fourth proportional to 4,792.20, 7,172.10 and 4,403.40 is: 6,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.20 : 7,172.10 = 4,403.40 : x
  2. Step 2: Convert to fraction form
    4,792.20/7,172.10 = 4,403.40/x
  3. Step 3: Cross multiply
    4,792.20x = 7,172.10 × 4,403.40
  4. Step 4: Simplify right side
    4,792.20x = 31,581,625.14
  5. Step 5: Solve for x
    x = 31,581,625.14/4,792.20
  6. Step 6: Final answer
    x = 6,590.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.