Home / 4,762.80-7,140.69-3,297.78

Finding the Fourth Proportional to 4,762.80, 7,140.69 and 3,297.78

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Solution

The fourth proportional to 4,762.80, 7,140.69 and 3,297.78 is: 4,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.80 : 7,140.69 = 3,297.78 : x
  2. Step 2: Convert to fraction form
    4,762.80/7,140.69 = 3,297.78/x
  3. Step 3: Cross multiply
    4,762.80x = 7,140.69 × 3,297.78
  4. Step 4: Simplify right side
    4,762.80x = 23,548,424.67
  5. Step 5: Solve for x
    x = 23,548,424.67/4,762.80
  6. Step 6: Final answer
    x = 4,944.24

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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.