Home / 5,645.16-7,790.10-3,092.88

Finding the Fourth Proportional to 5,645.16, 7,790.10 and 3,092.88

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Solution

The fourth proportional to 5,645.16, 7,790.10 and 3,092.88 is: 4,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.16 : 7,790.10 = 3,092.88 : x
  2. Step 2: Convert to fraction form
    5,645.16/7,790.10 = 3,092.88/x
  3. Step 3: Cross multiply
    5,645.16x = 7,790.10 × 3,092.88
  4. Step 4: Simplify right side
    5,645.16x = 24,093,817.14
  5. Step 5: Solve for x
    x = 24,093,817.14/5,645.16
  6. Step 6: Final answer
    x = 4,268.05

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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.