Home / 5,646.16-7,790.88-3,550.96

Finding the Fourth Proportional to 5,646.16, 7,790.88 and 3,550.96

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Solution

The fourth proportional to 5,646.16, 7,790.88 and 3,550.96 is: 4,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.16 : 7,790.88 = 3,550.96 : x
  2. Step 2: Convert to fraction form
    5,646.16/7,790.88 = 3,550.96/x
  3. Step 3: Cross multiply
    5,646.16x = 7,790.88 × 3,550.96
  4. Step 4: Simplify right side
    5,646.16x = 27,665,103.24
  5. Step 5: Solve for x
    x = 27,665,103.24/5,646.16
  6. Step 6: Final answer
    x = 4,899.81

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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.