Home / 2,737.12-4,090.68-1,998.29

Finding the Fourth Proportional to 2,737.12, 4,090.68 and 1,998.29

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Solution

The fourth proportional to 2,737.12, 4,090.68 and 1,998.29 is: 2,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.12 : 4,090.68 = 1,998.29 : x
  2. Step 2: Convert to fraction form
    2,737.12/4,090.68 = 1,998.29/x
  3. Step 3: Cross multiply
    2,737.12x = 4,090.68 × 1,998.29
  4. Step 4: Simplify right side
    2,737.12x = 8,174,367.81
  5. Step 5: Solve for x
    x = 8,174,367.81/2,737.12
  6. Step 6: Final answer
    x = 2,986.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.