Home / 5,518.96-7,617.96-3,755.92

Finding the Fourth Proportional to 5,518.96, 7,617.96 and 3,755.92

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Solution

The fourth proportional to 5,518.96, 7,617.96 and 3,755.92 is: 5,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.96 : 7,617.96 = 3,755.92 : x
  2. Step 2: Convert to fraction form
    5,518.96/7,617.96 = 3,755.92/x
  3. Step 3: Cross multiply
    5,518.96x = 7,617.96 × 3,755.92
  4. Step 4: Simplify right side
    5,518.96x = 28,612,448.32
  5. Step 5: Solve for x
    x = 28,612,448.32/5,518.96
  6. Step 6: Final answer
    x = 5,184.39

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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.