Home / 5,620.66-7,755.69-3,525.46

Finding the Fourth Proportional to 5,620.66, 7,755.69 and 3,525.46

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Solution

The fourth proportional to 5,620.66, 7,755.69 and 3,525.46 is: 4,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.66 : 7,755.69 = 3,525.46 : x
  2. Step 2: Convert to fraction form
    5,620.66/7,755.69 = 3,525.46/x
  3. Step 3: Cross multiply
    5,620.66x = 7,755.69 × 3,525.46
  4. Step 4: Simplify right side
    5,620.66x = 27,342,374.87
  5. Step 5: Solve for x
    x = 27,342,374.87/5,620.66
  6. Step 6: Final answer
    x = 4,864.62

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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.