Home / 4,899.66-6,761.42-2,775.02

Finding the Fourth Proportional to 4,899.66, 6,761.42 and 2,775.02

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Solution

The fourth proportional to 4,899.66, 6,761.42 and 2,775.02 is: 3,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.66 : 6,761.42 = 2,775.02 : x
  2. Step 2: Convert to fraction form
    4,899.66/6,761.42 = 2,775.02/x
  3. Step 3: Cross multiply
    4,899.66x = 6,761.42 × 2,775.02
  4. Step 4: Simplify right side
    4,899.66x = 18,763,075.73
  5. Step 5: Solve for x
    x = 18,763,075.73/4,899.66
  6. Step 6: Final answer
    x = 3,829.46

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1.5x scale

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.