Home / 5,633.80-7,776.58-3,276.68

Finding the Fourth Proportional to 5,633.80, 7,776.58 and 3,276.68

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Solution

The fourth proportional to 5,633.80, 7,776.58 and 3,276.68 is: 4,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.80 : 7,776.58 = 3,276.68 : x
  2. Step 2: Convert to fraction form
    5,633.80/7,776.58 = 3,276.68/x
  3. Step 3: Cross multiply
    5,633.80x = 7,776.58 × 3,276.68
  4. Step 4: Simplify right side
    5,633.80x = 25,481,364.15
  5. Step 5: Solve for x
    x = 25,481,364.15/5,633.80
  6. Step 6: Final answer
    x = 4,522.94

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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.