Home / 2,847.88-4,268.75-1,617.70

Finding the Fourth Proportional to 2,847.88, 4,268.75 and 1,617.70

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Solution

The fourth proportional to 2,847.88, 4,268.75 and 1,617.70 is: 2,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.88 : 4,268.75 = 1,617.70 : x
  2. Step 2: Convert to fraction form
    2,847.88/4,268.75 = 1,617.70/x
  3. Step 3: Cross multiply
    2,847.88x = 4,268.75 × 1,617.70
  4. Step 4: Simplify right side
    2,847.88x = 6,905,543.21
  5. Step 5: Solve for x
    x = 6,905,543.21/2,847.88
  6. Step 6: Final answer
    x = 2,424.80

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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.