Home / 4,761.10-7,140.84-1,297.54

Finding the Fourth Proportional to 4,761.10, 7,140.84 and 1,297.54

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Solution

The fourth proportional to 4,761.10, 7,140.84 and 1,297.54 is: 1,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.10 : 7,140.84 = 1,297.54 : x
  2. Step 2: Convert to fraction form
    4,761.10/7,140.84 = 1,297.54/x
  3. Step 3: Cross multiply
    4,761.10x = 7,140.84 × 1,297.54
  4. Step 4: Simplify right side
    4,761.10x = 9,265,525.53
  5. Step 5: Solve for x
    x = 9,265,525.53/4,761.10
  6. Step 6: Final answer
    x = 1,946.09

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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.