Home / 4,735.15-7,097.56-1,812.78

Finding the Fourth Proportional to 4,735.15, 7,097.56 and 1,812.78

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Solution

The fourth proportional to 4,735.15, 7,097.56 and 1,812.78 is: 2,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.15 : 7,097.56 = 1,812.78 : x
  2. Step 2: Convert to fraction form
    4,735.15/7,097.56 = 1,812.78/x
  3. Step 3: Cross multiply
    4,735.15x = 7,097.56 × 1,812.78
  4. Step 4: Simplify right side
    4,735.15x = 12,866,310.28
  5. Step 5: Solve for x
    x = 12,866,310.28/4,735.15
  6. Step 6: Final answer
    x = 2,717.19

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Why These Related Problems?

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